Question

Another researcher wants to determine whether or not freshmen at Mennonite College of Nursing tend to achieve the same grades in their first (FIR_GPA) and second (SEC_GPA) semesters of college. Examine the data below relative to this question. (a) What type of t-test is this and why? (b) Was the change in GPA statistically significant? What evidence are you using to support your answer?

Name: another researcher wants to determine whether or not freshmen at mennonite college of nursing tend to achieve the same grades in their first firgpa and second secgpa semesters of college e 28178
Uploaded: 2023-08-03T06:10:25-08:00
Duration: 5 min 12 s
Channel: Madhur L
Description: another researcher wants to determine whether or not freshmen at mennonite college of nursing tend to achieve the same grades in their first firgpa and second secgpa semesters of college e 28178

          Another researcher wants to determine whether or not freshmen at Mennonite College of Nursing tend to achieve the same grades in their first (FIR_GPA) and second (SEC_GPA) semesters of college. Examine the data below relative to this question.
(a)  What type of t-test is this and why?
(b)  Was the change in GPA statistically significant? What evidence are you using to support your answer?

Added by Lisa F.

Instant Answer

Solved by Expert Madhur L

08/03/2023

Step 1

Since FIR_GPA and SEC_GPA are measured on the same students (paired measurements within the same individuals), this is a paired (dependent) samples scenario. The appropriate test is a paired-samples t-test (also called a t-test for correlated samples) to determine Show more…

Show all steps

Thanks for your feedback!

Another researcher wants to determine whether or not freshmen at Mennonite College of Nursing tend to achieve the same grades in their first (FIR_GPA) and second (SEC_GPA) semesters of college. Examine the data below relative to this question. (a) What type of t-test is this and why? (b) Was the change in GPA statistically significant? What evidence are you using to support your answer?