Question 1

When k = 2 the ____________________ experiment is identical to the ____________________ experiment.

Accepted Answer

multinomial; binomial
binomial; multinomial

Question 2

If the expected frequencies and the observed frequencies are quite different, you are likely to ____________________ the null hypothesis.

Accepted Answer

reject

Question 3

The test statistic for the chi-squared test of a contingency table is the same as the test statistic for the goodness-of-fit test.

Accepted Answer

A) True 
 B)False  True

Question 4

A chi-squared test of a contingency table with 6 degrees of freedom results in a test statistic $\chi$2 = 13.58. Using the $\chi$2 tables, the most accurate statement that can be made about the p-value for this test is that:

Accepted Answer

A) p-value > 0.10 B) p-value > 0.05 C) 0.05 < p-value < 0.10 D) 0.025 < p-value < 0.05 A) p-value > 0.10 B) p-value > 0.05 C) 0.05 < p-value < 0.10 D) 0.025 < p-value < 0.05

Question 5

Explain what is meant by the rule of five and what you should do if this rule is not met.

Accepted Answer

The rule of five requires that the expec

Question 6

To calculate the expected values in a test of a contingency table, you assume that the null hypothesis is true.

Accepted Answer

A) True 
 B)False

Question 7

Student Absenteeism: Consider a multinomial experiment involving n = 200 students of a large high school. The attendance department recorded the number of students who were absent during the weekdays. The null hypothesis to be tested is: HS1U1B10S1U1B0: pS1U1B11S1U1B0 = 0.10, pS1U1B12S1U1B0 = 0.25, pS1U1B13S1U1B0 = 0.30, pS1U1B14S1U1B0 = 0.20, pS1U1B15S1U1B0 = 0.15.
-Test the hypothesis at the 5% level of significance with the following frequencies:

Accepted Answer

Rejection region: @#LAT-DLM&² > @#LAT-DLM&^2<

Question 8

The chi-squared test of a contingency table is based upon:

Accepted Answer

A)  one quantitative variable. 
B)  two quantitative variables. 
C)  one qualitative variable. 
D)  two qualitative variables. 
A)  one quantitative variable. 
B)  two quantitative variables. 
C)  one qualitative variable. 
D)  two qualitative variables.

Question 9

A(n) ____________________ experiment is like a binomial experiment except it contains two or more categories.

Accepted Answer

The answer of A(n) ____________________ experiment is like a binomial...

Question 10

The Chairman of a committee has recently circulated pamphlets among the members, attempting to convince them that pension benefits should be the primary issue. A subsequent survey revealed the following breakdown of the members according to the plant at which they worked and the issue that they felt should be supported as the primary one.
   Do the data indicate at the 5% significant level that there are differences between the two plants regarding which issue should be the primary one?

Accepted Answer

H₀: Plant location and work i

Question 11

Compute the expected frequencies for x = 0, 1, 2, 3, 4, and 5 by using the binomial probability function or the binomial tables. Combine categories if necessary to satisfy the rule of five.

Accepted Answer

The answer of Compute the expected frequencies for x =...

Question 12

The only way the chi-squared test statistic can be zero is if the observed frequencies are all exactly the same as the expected frequencies.

Accepted Answer

A) True 
 B)False

Question 13

To address whether two variables are related in a contingency table, the null hypothesis, H0, says that

Accepted Answer

A)  The two variables are independent. 
B)  The two variables are dependent. 
C)  The two variables are equal. 
D)  None of these choices. 
A)  The two variables are independent. 
B)  The two variables are dependent. 
C)  The two variables are equal. 
D)  None of these choices.

Question 14

A chi-squared test statistic in a test of a contingency table that is equal to zero means:

Accepted Answer

A)  The two nominal variables are equal. 
B)  The two nominal variables are independent. 
C)  The two nominal variables have the same proportions listed in H0. 
D)  All of these choices. 
A)  The two nominal variables are equal. 
B)  The two nominal variables are independent. 
C)  The two nominal variables have the same proportions listed in H0. 
D)  All of these choices.

Question 15

Which of the following conditions indicate that H0 should be rejected in a goodness-of-fit test?

Accepted Answer

A)  The observed frequencies are equal to their expected frequencies. 
B)  The test statistic is large. 
C)  The degrees of freedom is large. 
D)  All of these choices are true. 
A)  The observed frequencies are equal to their expected frequencies. 
B)  The test statistic is large. 
C)  The degrees of freedom is large. 
D)  All of these choices are true.

Question 16

The rule of ____________________ states that in order to conduct the chi-squared goodness-of-fit test, the expected value for each cell must be ____________________ or more.

Accepted Answer

The answer of The rule of ____________________ states that in...

Question 17

If the expected frequency of a cell is less than 5, you should increase the significance level.

Accepted Answer

A) True 
 B)False

Question 18

A chi-squared test of a contingency table can be used to determine whether two nominal variables are ____________________.

Accepted Answer

The answer of A chi-squared test of a contingency table...

Question 19

In a goodness-of-fit test, H0 lists specific values for proportions and the test of a contingency table does not.

Accepted Answer

A) True 
 B)False

Question 20

A chi-squared test of a contingency table with 4 rows and 5 columns shows that the value of the test statistic is 22.18. Using a chi-squared table, the most accurate statement that can be made is:

Accepted Answer

A)  p-value is greater than 0.05 
B)  p-value is smaller than 0.025 
C)  p-value is greater than 0.025 but smaller than 0.05 
D)  p-value is greater than 0.10 
A)  p-value is greater than 0.05 
B)  p-value is smaller than 0.025 
C)  p-value is greater than 0.025 but smaller than 0.05 
D)  p-value is greater than 0.10

When k = 2 the experiment is identical to the experiment.

If the expected frequencies and the observed frequencies are quite different, you are likely to ____________________ the null hypothesis.

The test statistic for the chi-squared test of a contingency table is the same as the test statistic for the goodness-of-fit test.

A chi-squared test of a contingency table with 6 degrees of freedom results in a test statistic $\chi$ ² = 13.58. Using the $\chi$ ² tables, the most accurate statement that can be made about the p-value for this test is that:

Explain what is meant by the rule of five and what you should do if this rule is not met.

To calculate the expected values in a test of a contingency table, you assume that the null hypothesis is true.

The chi-squared test of a contingency table is based upon:

A(n) ____________________ experiment is like a binomial experiment except it contains two or more categories.

Compute the expected frequencies for x = 0, 1, 2, 3, 4, and 5 by using the binomial probability function or the binomial tables. Combine categories if necessary to satisfy the rule of five.

The only way the chi-squared test statistic can be zero is if the observed frequencies are all exactly the same as the expected frequencies.

To address whether two variables are related in a contingency table, the null hypothesis, H₀, says that

A chi-squared test statistic in a test of a contingency table that is equal to zero means:

Which of the following conditions indicate that H₀ should be rejected in a goodness-of-fit test?

The rule of states that in order to conduct the chi-squared goodness-of-fit test, the expected value for each cell must be or more.

If the expected frequency of a cell is less than 5, you should increase the significance level.

A chi-squared test of a contingency table can be used to determine whether two nominal variables are ____________________.

In a goodness-of-fit test, H₀ lists specific values for proportions and the test of a contingency table does not.

A chi-squared test of a contingency table with 4 rows and 5 columns shows that the value of the test statistic is 22.18. Using a chi-squared table, the most accurate statement that can be made is:

What Is Statistics

Graphical and Tabular Descriptive Techniques

Numerical Descriptive Techniques

Data Collection and Sampling

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations, Part 1

Inference About Comparing Two Populations, Part 2

Analysis of Variance

Simple Linear Regression and Correlation

Multiple Regression

Review of Statistical Inference

Filters

Exam 15: Chi-Squared Tests

When k = 2 the ____________________ experiment is identical to the ____________________ experiment.

If the expected frequencies and the observed frequencies are quite different, you are likely to ____________________ the null hypothesis.

The test statistic for the chi-squared test of a contingency table is the same as the test statistic for the goodness-of-fit test.

A chi-squared test of a contingency table with 6 degrees of freedom results in a test statistic χ\chiχ 2 = 13.58. Using the χ\chiχ 2 tables, the most accurate statement that can be made about the p-value for this test is that:

Explain what is meant by the rule of five and what you should do if this rule is not met.

To calculate the expected values in a test of a contingency table, you assume that the null hypothesis is true.

The chi-squared test of a contingency table is based upon:

A(n) ____________________ experiment is like a binomial experiment except it contains two or more categories.

Compute the expected frequencies for x = 0, 1, 2, 3, 4, and 5 by using the binomial probability function or the binomial tables. Combine categories if necessary to satisfy the rule of five.

The only way the chi-squared test statistic can be zero is if the observed frequencies are all exactly the same as the expected frequencies.

To address whether two variables are related in a contingency table, the null hypothesis, H0, says that

A chi-squared test statistic in a test of a contingency table that is equal to zero means:

Which of the following conditions indicate that H0 should be rejected in a goodness-of-fit test?

The rule of ____________________ states that in order to conduct the chi-squared goodness-of-fit test, the expected value for each cell must be ____________________ or more.

If the expected frequency of a cell is less than 5, you should increase the significance level.

A chi-squared test of a contingency table can be used to determine whether two nominal variables are ____________________.

In a goodness-of-fit test, H0 lists specific values for proportions and the test of a contingency table does not.

A chi-squared test of a contingency table with 4 rows and 5 columns shows that the value of the test statistic is 22.18. Using a chi-squared table, the most accurate statement that can be made is:

What Is Statistics

Graphical and Tabular Descriptive Techniques

Numerical Descriptive Techniques

Data Collection and Sampling

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations, Part 1

Inference About Comparing Two Populations, Part 2

Analysis of Variance

Simple Linear Regression and Correlation

Multiple Regression

Review of Statistical Inference

Filters

When k = 2 the experiment is identical to the experiment.

A chi-squared test of a contingency table with 6 degrees of freedom results in a test statistic $\chi$ ² = 13.58. Using the $\chi$ ² tables, the most accurate statement that can be made about the p-value for this test is that:

To address whether two variables are related in a contingency table, the null hypothesis, H₀, says that

Which of the following conditions indicate that H₀ should be rejected in a goodness-of-fit test?

The rule of states that in order to conduct the chi-squared goodness-of-fit test, the expected value for each cell must be or more.

In a goodness-of-fit test, H₀ lists specific values for proportions and the test of a contingency table does not.