
 This distribution has only one parameter. The curve is skewed to the right for small df and
becomes symmetric for large df. The entire distribution curve lies to the right of the vertical
axis. The distribution assumes nonnegative values only
 t distribution
 Normal distribution
 Chisquare distribution
 Linear regression.
 Find the value of x2 for 12 degrees of freedom and an area of .025 in the right tail of the chi
square distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 14 degrees of freedom and an area of .10 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 23 degrees of freedom and an area of .990 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places.
 Α ____________ compares the observed frequencies from a multinomial experiment with
expected frequencies derived from a certain pattern or theoretical distribution. The test
evaluates how well the observed frequencies fit the expected frequencies.
 Goodnessoffit test
 Chisquare test
 Linear regression
 The __________ are the frequencies obtained from the performance of a
multinomial experiment. The expected frequencies are the frequencies that we expect to obtain
if the null hypothesis is true.
 Observed frequencies
 Expected frequencies
 Fluctuating frequencies
QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set
 The expected frequency of a category is given by Ε = np where n is the sample size and p is the
probability that an element belongs to that category if the null hypothesis is true. The
________ for a goodness–of–fit test are k – 1, where k denotes the number of possible
outcomes (or categories) for the experiment.
 Number of observations
 Degrees of freedom
 Total population
 This model includes only two variables, one independent and one dependent, is called a _____1______. The ___2____ is the one being explained, and the ___3___ is the one used to explain the variation in the dependent Select the correct letter that would make the sentence true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Linear model
Qualitative variable
Multivariate analysis of variance
Independent variable
Simple regression model
Oneway Analysis of Variance
Dependent variable
Quantitative variable
 A population data set produced the following information.
N=460, ∑x=3920, ∑y=2650, ∑xy=26,570, ∑x2=48,530
Find the population regression line. Round to three decimal places. Use the format as an example when submitting your equation 456.123 + 789.123x
 The following information is obtained from a sample data set.
n=12, ∑x=66, ∑y=588, ∑xy=2244, ∑x2=396
Find the estimated regression line Use this format as an example when submitting your equation 123 – 45x

 This distribution has only one parameter. The curve is skewed to the right for small df and
becomes symmetric for large df. The entire distribution curve lies to the right of the vertical
axis. The distribution assumes nonnegative values only
 t distribution
 Normal distribution
 Chisquare distribution
 Linear regression.
 Find the value of x2 for 12 degrees of freedom and an area of .025 in the right tail of the chi
square distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 14 degrees of freedom and an area of .10 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 23 degrees of freedom and an area of .990 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places.
 Α ____________ compares the observed frequencies from a multinomial experiment with
expected frequencies derived from a certain pattern or theoretical distribution. The test
evaluates how well the observed frequencies fit the expected frequencies.
 Goodnessoffit test
 Chisquare test
 Linear regression
 The __________ are the frequencies obtained from the performance of a
multinomial experiment. The expected frequencies are the frequencies that we expect to obtain
if the null hypothesis is true.
 Observed frequencies
 Expected frequencies
 Fluctuating frequencies
QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set
 The expected frequency of a category is given by Ε = np where n is the sample size and p is the
probability that an element belongs to that category if the null hypothesis is true. The
________ for a goodness–of–fit test are k – 1, where k denotes the number of possible
outcomes (or categories) for the experiment.
 Number of observations
 Degrees of freedom
 Total population
 This model includes only two variables, one independent and one dependent, is called a _____1______. The ___2____ is the one being explained, and the ___3___ is the one used to explain the variation in the dependent Select the correct letter that would make the sentence true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Linear model
Qualitative variable
Multivariate analysis of variance
Independent variable
Simple regression model
Oneway Analysis of Variance
Dependent variable
Quantitative variable
 A population data set produced the following information.
N=460, ∑x=3920, ∑y=2650, ∑xy=26,570, ∑x2=48,530
Find the population regression line. Round to three decimal places. Use the format as an example when submitting your equation 456.123 + 789.123x
 The following information is obtained from a sample data set.
n=12, ∑x=66, ∑y=588, ∑xy=2244, ∑x2=396
Find the estimated regression line Use this format as an example when submitting your equation 123 – 45x

 This distribution has only one parameter. The curve is skewed to the right for small df and
becomes symmetric for large df. The entire distribution curve lies to the right of the vertical
axis. The distribution assumes nonnegative values only
 t distribution
 Normal distribution
 Chisquare distribution
 Linear regression.
 Find the value of x2 for 12 degrees of freedom and an area of .025 in the right tail of the chi
square distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 14 degrees of freedom and an area of .10 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 23 degrees of freedom and an area of .990 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places.
 Α ____________ compares the observed frequencies from a multinomial experiment with
expected frequencies derived from a certain pattern or theoretical distribution. The test
evaluates how well the observed frequencies fit the expected frequencies.
 Goodnessoffit test
 Chisquare test
 Linear regression
 The __________ are the frequencies obtained from the performance of a
multinomial experiment. The expected frequencies are the frequencies that we expect to obtain
if the null hypothesis is true.
 Observed frequencies
 Expected frequencies
 Fluctuating frequencies
QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set
 The expected frequency of a category is given by Ε = np where n is the sample size and p is the
probability that an element belongs to that category if the null hypothesis is true. The
________ for a goodness–of–fit test are k – 1, where k denotes the number of possible
outcomes (or categories) for the experiment.
 Number of observations
 Degrees of freedom
 Total population
 This model includes only two variables, one independent and one dependent, is called a _____1______. The ___2____ is the one being explained, and the ___3___ is the one used to explain the variation in the dependent Select the correct letter that would make the sentence true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Linear model
Qualitative variable
Multivariate analysis of variance
Independent variable
Simple regression model
Oneway Analysis of Variance
Dependent variable
Quantitative variable
 A population data set produced the following information.
N=460, ∑x=3920, ∑y=2650, ∑xy=26,570, ∑x2=48,530
Find the population regression line. Round to three decimal places. Use the format as an example when submitting your equation 456.123 + 789.123x
 The following information is obtained from a sample data set.
n=12, ∑x=66, ∑y=588, ∑xy=2244, ∑x2=396
Find the estimated regression line Use this format as an example when submitting your equation 123 – 45x

 This distribution has only one parameter. The curve is skewed to the right for small df and
becomes symmetric for large df. The entire distribution curve lies to the right of the vertical
axis. The distribution assumes nonnegative values only
 t distribution
 Normal distribution
 Chisquare distribution
 Linear regression.
 Find the value of x2 for 12 degrees of freedom and an area of .025 in the right tail of the chi
square distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 14 degrees of freedom and an area of .10 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 23 degrees of freedom and an area of .990 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places.
 Α ____________ compares the observed frequencies from a multinomial experiment with
expected frequencies derived from a certain pattern or theoretical distribution. The test
evaluates how well the observed frequencies fit the expected frequencies.
 Goodnessoffit test
 Chisquare test
 Linear regression
 The __________ are the frequencies obtained from the performance of a
multinomial experiment. The expected frequencies are the frequencies that we expect to obtain
if the null hypothesis is true.
 Observed frequencies
 Expected frequencies
 Fluctuating frequencies
QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set
 The expected frequency of a category is given by Ε = np where n is the sample size and p is the
probability that an element belongs to that category if the null hypothesis is true. The
________ for a goodness–of–fit test are k – 1, where k denotes the number of possible
outcomes (or categories) for the experiment.
 Number of observations
 Degrees of freedom
 Total population
 This model includes only two variables, one independent and one dependent, is called a _____1______. The ___2____ is the one being explained, and the ___3___ is the one used to explain the variation in the dependent Select the correct letter that would make the sentence true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Linear model
Qualitative variable
Multivariate analysis of variance
Independent variable
Simple regression model
Oneway Analysis of Variance
Dependent variable
Quantitative variable
 A population data set produced the following information.
N=460, ∑x=3920, ∑y=2650, ∑xy=26,570, ∑x2=48,530
Find the population regression line. Round to three decimal places. Use the format as an example when submitting your equation 456.123 + 789.123x
 The following information is obtained from a sample data set.
n=12, ∑x=66, ∑y=588, ∑xy=2244, ∑x2=396
Find the estimated regression line Use this format as an example when submitting your equation 123 – 45x
 This distribution has only one parameter. The curve is skewed to the right for small df and
becomes symmetric for large df. The entire distribution curve lies to the right of the vertical
axis. The distribution assumes nonnegative values only
 t distribution
 Normal distribution
 Chisquare distribution
 Linear regression.
 Find the value of x2 for 12 degrees of freedom and an area of .025 in the right tail of the chi
square distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 14 degrees of freedom and an area of .10 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 23 degrees of freedom and an area of .990 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places.
 Α ____________ compares the observed frequencies from a multinomial experiment with
expected frequencies derived from a certain pattern or theoretical distribution. The test
evaluates how well the observed frequencies fit the expected frequencies.
 Goodnessoffit test
 Chisquare test
 Linear regression
 The __________ are the frequencies obtained from the performance of a
multinomial experiment. The expected frequencies are the frequencies that we expect to obtain
if the null hypothesis is true.
 Observed frequencies
 Expected frequencies
 Fluctuating frequencies
QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set
 The expected frequency of a category is given by Ε = np where n is the sample size and p is the
probability that an element belongs to that category if the null hypothesis is true. The
________ for a goodness–of–fit test are k – 1, where k denotes the number of possible
outcomes (or categories) for the experiment.
 Number of observations
 Degrees of freedom
 Total population
 This model includes only two variables, one independent and one dependent, is called a _____1______. The ___2____ is the one being explained, and the ___3___ is the one used to explain the variation in the dependent Select the correct letter that would make the sentence true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Linear model
Qualitative variable
Multivariate analysis of variance
Independent variable
Simple regression model
Oneway Analysis of Variance
Dependent variable
Quantitative variable
 A population data set produced the following information.
N=460, ∑x=3920, ∑y=2650, ∑xy=26,570, ∑x2=48,530
Find the population regression line. Round to three decimal places. Use the format as an example when submitting your equation 456.123 + 789.123x
 The following information is obtained from a sample data set.
n=12, ∑x=66, ∑y=588, ∑xy=2244, ∑x2=396
Find the estimated regression line Use this format as an example when submitting your equation 123 – 45x
 This distribution has only one parameter. The curve is skewed to the right for small df and
This distribution has only one parameter. The curve is skewed to the right for small df anddf
becomes symmetric for large df. The entire distribution curve lies to the right of the vertical
becomes symmetric for large df. The entire distribution curve lies to the right of the verticaldf
axis. The distribution assumes nonnegative values only
axis. The distribution assumes nonnegative values only
 t distribution
 Normal distribution
 Chisquare distribution
 Linear regression.
t distribution
Normal distribution
Chisquare distribution
Linear regression.
 Find the value of x2 for 12 degrees of freedom and an area of .025 in the right tail of the chi
Find the value of x2 for 12 degrees of freedom and an area of .025 in the right tail of the chi
square distribution curve. What is the value of chisquare? Round to three decimal places
square distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 14 degrees of freedom and an area of .10 in the left tail of the
Determine the value of x2 for 14 degrees of freedom and an area of .10 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places
chisquare distribution curve. What is the value of chisquare? Round to three decimal places
 Determine the value of x2 for 23 degrees of freedom and an area of .990 in the left tail of the
Determine the value of x2 for 23 degrees of freedom and an area of .990 in the left tail of the
chisquare distribution curve. What is the value of chisquare? Round to three decimal places.
chisquare distribution curve. What is the value of chisquare? Round to three decimal places.
 Α ____________ compares the observed frequencies from a multinomial experiment with
Α ____________ compares the observed frequencies from a multinomial experiment with
expected frequencies derived from a certain pattern or theoretical distribution. The test
expected frequencies derived from a certain pattern or theoretical distribution. The test
evaluates how well the observed frequencies fit the expected frequencies.
evaluates how well the observed frequencies fit the expected frequencies.
 Goodnessoffit test
 Chisquare test
 Linear regression
Goodnessoffit test
Chisquare test
Linear regression
 The __________ are the frequencies obtained from the performance of a
The __________ are the frequencies obtained from the performance of a
multinomial experiment. The expected frequencies are the frequencies that we expect to obtain
multinomial experiment. The expected frequencies are the frequencies that we expect to obtain
if the null hypothesis is true.
if the null hypothesis is true.
 Observed frequencies
 Expected frequencies
 Fluctuating frequencies
Observed frequencies
Expected frequencies
Fluctuating frequencies
QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set
QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set QNT 275 Week 5 Practice Set
 The expected frequency of a category is given by Ε = np where n is the sample size and p is the
The expected frequency of a category is given by Ε = np where n is the sample size and p is the
probability that an element belongs to that category if the null hypothesis is true. The
probability that an element belongs to that category if the null hypothesis is true. The
________ for a goodness–of–fit test are k – 1, where k denotes the number of possible
________ for a goodness–of–fit test are k – 1, where k denotes the number of possible
outcomes (or categories) for the experiment.
outcomes (or categories) for the experiment.
 Number of observations
 Degrees of freedom
 Total population
Number of observations
Degrees of freedom
Total population
 This model includes only two variables, one independent and one dependent, is called a _____1______. The ___2____ is the one being explained, and the ___3___ is the one used to explain the variation in the dependent Select the correct letter that would make the sentence true.
This model includes only two variables, one independent and one dependent, is called a _____1______. The ___2____ is the one being explained, and the ___3___ is the one used to explain the variation in the dependent Select the correct letter that would make the sentence true.123
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Select a letter from the list to make this statement true.
Linear model
Linear model
Qualitative variable
Qualitative variable
Multivariate analysis of variance
Multivariate analysis of variance
Independent variable
Independent variable
Simple regression model
Simple regression model
Oneway Analysis of Variance
Oneway Analysis of Variance
Dependent variable
Dependent variable
Quantitative variable
Quantitative variable
 A population data set produced the following information.
A population data set produced the following information.
N=460, ∑x=3920, ∑y=2650, ∑xy=26,570, ∑x2=48,530
N=460, ∑x=3920, ∑y=2650, ∑xy=26,570, ∑x2=48,530
Find the population regression line. Round to three decimal places. Use the format as an example when submitting your equation 456.123 + 789.123x
Find the population regression line. Round to three decimal places. Use the format as an example when submitting your equation 456.123 + 789.123x
 The following information is obtained from a sample data set.
The following information is obtained from a sample data set.
n=12, ∑x=66, ∑y=588, ∑xy=2244, ∑x2=396
n=12, ∑x=66, ∑y=588, ∑xy=2244, ∑x2=396
Find the estimated regression line Use this format as an example when submitting your equation 123 – 45x
Find the estimated regression line Use this format as an example when submitting your equation 123 – 45x