check

Engagement Exercise: CU - Independent Samples T-Test

Practice Exercise: A Conceptual Understanding - Independent Samples T-Test

Goal is at least 70% proficiency.

Click the button below to start.

Start

Question 1 of 10

In the video for this lesson, what is the research question being examined?  

A

Is there a difference in gender between different education levels

B

Is there a difference in education level among males

C

Is there a difference in education level between males and females

D

Is there a difference in education level among females

Question 2 of 10

Again, based on the video, which of the following is the independent variable?

A

gender

B

males and females

C

education level

D

option a and c

Question 3 of 10

Which of the following is the dependent variable?  

A

males and females

B

gender

C

education level

D

option a and c

Question 4 of 10

When comparing two groups on some continuous measure, the independent variable is...

A

nominal or interval scale

B

ordinal or ratio scale

C

nominal or ordinal scale

D

ratio or nominal scale

Question 5 of 10

When comparing two groups on some continuous measure, the dependent variable is...  

A

interval or ratio scale

B

nominal or interval scale

C

ratio or ordinal scale

D

ratio or nominal scale

Question 6 of 10

The statistical test used to compare two groups on a continuous variable is...  

A

one-sample t-test

B

dependent samples t-test

C

independent samples t-test

D

paired samples t-test

Question 7 of 10

The null hypothesis for the independent samples t-test states that...

A

there is no significant difference between groups

B

there is a significant difference between groups

C

the group are statistically equivalent

D

options a and c

Question 8 of 10

The alternative hypothesis states that...  

A

there is no significant difference between groups

B

there is a significant difference between groups

C

the group are statistically equivalent

D

none of the above

Question 9 of 10

When conducting statistical tests, we are testing...  

A

the null hypothesis

B

the alternative hypothesis

C

both the null and alternative hypothesis

D

the research question

Question 10 of 10

If the results of the independent samples t-test reveal no gender differences in education level, then...  

A

we fail to reject the null

B

we reject the null

C

we accept the null

D

options a and c

Confirm and Submit