Question 1

Which of the following is the null hypothesis for a t test for dependent means?

Accepted Answer

A) H1: X1 = X2 
B) H0: X1 > X2 
C) H1:$\mu$1=$\mu$2 
D) H0: $\mu$1=$\mu$2 
A) H1: X1 = X2 
B) H0: X1 > X2 
C) H1:$\mu$1=$\mu$2 
D) H0: $\mu$1=$\mu$2

Question 2

If the obtained value is less than the critical value,what decision should be made?

Accepted Answer

A) to reject the null hypothesis 
B) to accept the null hypothesis 
C) to accept the research hypothesis 
D) to decrease the p value 
A) to reject the null hypothesis 
B) to accept the null hypothesis 
C) to accept the research hypothesis 
D) to decrease the p value

Question 3

What is the term used to examine the degree of the relationship between variables?

Accepted Answer

A) hypothesized mean difference 
B) correlation 
C) observations 
D) variance 
A) hypothesized mean difference 
B) correlation 
C) observations 
D) variance

Question 4

What test is used when you are interested in studying the same group under two conditions?

Accepted Answer

A) independent-samples t test 
B) correlation coefficient 
C) related-populations t test 
D) dependent-samples t test 
A) independent-samples t test 
B) correlation coefficient 
C) related-populations t test 
D) dependent-samples t test

Question 5

Which of the following relates to the difference you expect when conducting a t test?

Accepted Answer

A) hypothesized mean difference 
B) Pearson correlation 
C) observations 
D) variance 
A) hypothesized mean difference 
B) Pearson correlation 
C) observations 
D) variance

Question 6

Interpret,in words,what it means for a research question that a null hypothesis was accepted.

Accepted Answer

When the null hypothesis in a dependent-

Question 7

When considering a t test for dependent samples,what is a D2 score?

Accepted Answer

The D² score is the d

Question 8

What is the formula for calculating degrees of freedom for a dependent-samples t test?

Accepted Answer

A) k - 1 
B) n - 1 
C) n(1) 
D) k + 1 
A) k - 1 
B) n - 1 
C) n(1) 
D) k + 1

Question 9

If the critical value is less than the obtained value,what should you do?

Accepted Answer

A) Reject the null hypothesis. 
B) Accept the null hypothesis. 
C) Set a higher p value. 
D) Increase the sample size. 
A) Reject the null hypothesis. 
B) Accept the null hypothesis. 
C) Set a higher p value. 
D) Increase the sample size.

Question 10

The t test for dependent means is used in order to determine whether there is a significant difference in the scores of a group of respondents who are tested at two points in time.

Accepted Answer

A) True 
 B)False

Question 11

In the following,what is the number 0.01: t(58) = 5.015,p < 0.01?

Accepted Answer

A) test statistic 
B) t value 
C) degrees of freedom 
D) significance level 
A) test statistic 
B) t value 
C) degrees of freedom 
D) significance level

Question 12

What is the formula used to calculate degrees of freedom for a t test for dependent groups?

Accepted Answer

A) n - 1 
B) n1 + n2 - 1 
C) n1 - 1 + n2 
D) n1 + n2 
A) n - 1 
B) n1 + n2 - 1 
C) n1 - 1 + n2 
D) n1 + n2

Question 13

If the group has 30 individuals,what are the degrees of freedom for a dependent-samples t test?

Accepted Answer

A) 30 - 1 
B) 29 - 1 
C) 28 - 1 
D) 27 -1 
A) 30 - 1 
B) 29 - 1 
C) 28 - 1 
D) 27 -1

Question 14

What is the term to describe what you indicated to be the difference you expect back in a dependent-samples t test?

Accepted Answer

A) mean difference 
B) hypothesized mean difference 
C) variance difference 
D) degrees of freedom 
A) mean difference 
B) hypothesized mean difference 
C) variance difference 
D) degrees of freedom

Question 15

In the equation t(78) = 1.03,p < 0.01,the number of 0.01 refers to t value.

Accepted Answer

A) True 
 B)False

Question 16

What is the difference between a t test for independent samples and a t test for dependent samples?

Accepted Answer

A t test for independent samples compare

Question 17

The statistical procedure is used to generate the test statistic.What is test statistic known as?

Accepted Answer

A) critical value 
B) significance level 
C) obtained value 
D) p value 
A) critical value 
B) significance level 
C) obtained value 
D) p value

Question 18

In the equation t(78) = 1.03,p < 0.01,the number of 78 refers to degrees of freedom.

Accepted Answer

A) True 
 B)False

Question 19

If your degrees of freedom is 24,your sample size when conducting a t test for dependent means must be ______.

Accepted Answer

A) 26 
B) 25 
C) 24 
D) 23 
A) 26 
B) 25 
C) 24 
D) 23

Question 20

If the obtained value is greater than the critical value,what decision should be made?

Accepted Answer

A) to reject the null hypothesis 
B) to accept the null hypothesis 
C) to set a higher p value 
D) to increase the sample size 
A) to reject the null hypothesis 
B) to accept the null hypothesis 
C) to set a higher p value 
D) to increase the sample size

Which of the following is the null hypothesis for a t test for dependent means?

If the obtained value is less than the critical value,what decision should be made?

What is the term used to examine the degree of the relationship between variables?

What test is used when you are interested in studying the same group under two conditions?

Which of the following relates to the difference you expect when conducting a t test?

Interpret,in words,what it means for a research question that a null hypothesis was accepted.

When considering a t test for dependent samples,what is a D² score?

What is the formula for calculating degrees of freedom for a dependent-samples t test?

If the critical value is less than the obtained value,what should you do?

The t test for dependent means is used in order to determine whether there is a significant difference in the scores of a group of respondents who are tested at two points in time.

In the following,what is the number 0.01: t₍₅₈₎ = 5.015,p < 0.01?

What is the formula used to calculate degrees of freedom for a t test for dependent groups?

If the group has 30 individuals,what are the degrees of freedom for a dependent-samples t test?

What is the term to describe what you indicated to be the difference you expect back in a dependent-samples t test?

In the equation t₍₇₈₎ = 1.03,p < 0.01,the number of 0.01 refers to t value.

What is the difference between a t test for independent samples and a t test for dependent samples?

The statistical procedure is used to generate the test statistic.What is test statistic known as?

In the equation t₍₇₈₎ = 1.03,p < 0.01,the number of 78 refers to degrees of freedom.

If your degrees of freedom is 24,your sample size when conducting a t test for dependent means must be ______.

If the obtained value is greater than the critical value,what decision should be made?

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Exam 12: Teafor Two Again: Tests Between the Means of Related Groups

Which of the following is the null hypothesis for a t test for dependent means?

If the obtained value is less than the critical value,what decision should be made?

What is the term used to examine the degree of the relationship between variables?

What test is used when you are interested in studying the same group under two conditions?

Which of the following relates to the difference you expect when conducting a t test?

Interpret,in words,what it means for a research question that a null hypothesis was accepted.

When considering a t test for dependent samples,what is a D2 score?

What is the formula for calculating degrees of freedom for a dependent-samples t test?

If the critical value is less than the obtained value,what should you do?

The t test for dependent means is used in order to determine whether there is a significant difference in the scores of a group of respondents who are tested at two points in time.

In the following,what is the number 0.01: t(58) = 5.015,p < 0.01?

What is the formula used to calculate degrees of freedom for a t test for dependent groups?

If the group has 30 individuals,what are the degrees of freedom for a dependent-samples t test?

What is the term to describe what you indicated to be the difference you expect back in a dependent-samples t test?

In the equation t(78) = 1.03,p < 0.01,the number of 0.01 refers to t value.

What is the difference between a t test for independent samples and a t test for dependent samples?

The statistical procedure is used to generate the test statistic.What is test statistic known as?

In the equation t(78) = 1.03,p < 0.01,the number of 78 refers to degrees of freedom.

If your degrees of freedom is 24,your sample size when conducting a t test for dependent means must be ______.

If the obtained value is greater than the critical value,what decision should be made?

Statistics or Sadistics Its up to You

Means to an End: Computing and Understanding Averages

Understanding Variability: Vive La Différence

A Picture Really Is Worth a Thousand Words

Computing Correlation Coefficients: Ice Cream and Crime

Understanding Reliability and Validity: Just the Truth

Hypotheticals and You: Testing Your Questions

Probability and Why It Counts: Fun With a Bell-Shaped Curve

Significantly Significant: What It Means for You and Me

Only the Lonely: the One Sample Z-Test

Teafor Two: Tests Between the Means of Different Groups

Two Groups Too Many Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction

Testing Relationships Using the Correlation Coefficients: Cousins or Just Good Friends

Using Linear Regression: Predicting Wholl Win the Super Bowl

Chi-Square and Some Other Nonparametric Tests: What to Do When Youre Not Normal

Some Other Importantstatistical Procedures You Should Know About

An Introduction to Data Mining

Filters

When considering a t test for dependent samples,what is a D² score?

In the following,what is the number 0.01: t₍₅₈₎ = 5.015,p < 0.01?

In the equation t₍₇₈₎ = 1.03,p < 0.01,the number of 0.01 refers to t value.

In the equation t₍₇₈₎ = 1.03,p < 0.01,the number of 78 refers to degrees of freedom.