A researcher was interested in comparing the GPAs of students at the University of Toronto Scarborough and Mississauga campuses.Independent random samples of 8 students from the Scarborough campus and 13 students from the Mississauga campus yielded the following GPAs.
Determine a 95% confidence interval for the difference,
-
,between the mean GPA of all students at the Scarborough campus and the mean GPA of all students at the Mississauga campus.
A)(-0.70,0.05)
B)(-0.81,0.15)
C)(-0.75,0.10)
D)(-0.13,0.78)
E)(-0.78,0.13)

Question

A researcher was interested in comparing the GPAs of students at the University of Toronto Scarborough and Mississauga campuses.Independent random samples of 8 students from the Scarborough campus and 13 students from the Mississauga campus yielded the following GPAs. 
Determine a 95% confidence interval for the difference, 
- 
,between the mean GPA of all students at the Scarborough campus and the mean GPA of all students at the Mississauga campus.
A)(-0.70,0.05) 
B)(-0.81,0.15) 
C)(-0.75,0.10) 
D)(-0.13,0.78) 
E)(-0.78,0.13)

Quizplus · Accepted Answer

The Answer of A researcher was interested in comparing the GPAs of students at the University of Toronto Scarborough and Mississauga campuses.Independent random samples of 8 students from the Scarborough campus and 13 students from the Mississauga campus yielded the following GPAs. 
Determine a 95% confidence interval for the difference, 
- 
,between the mean GPA of all students at the Scarborough campus and the mean GPA of all students at the Mississauga campus.
A)(-0.70,0.05) 
B)(-0.81,0.15) 
C)(-0.75,0.10) 
D)(-0.13,0.78) 
E)(-0.78,0.13)

A Researcher Was Interested in Comparing the GPAs of Students