A researcher was interested in comparing the heights of women in two different countries.Independent random samples of 9 women from country A and 9 women from country B yielded the following heights (in centimetres).
Determine a 90% confidence interval for the difference,
-
,between the mean height of women in Country A and the mean height of women in Country B.
A)(0.4,10.7)
B)(1.4,9.2)
C)(0.8,14.2)
D)(161.4,164.3)
E)(0.7,4.2)

Question

A researcher was interested in comparing the heights of women in two different countries.Independent random samples of 9 women from country A and 9 women from country B yielded the following heights (in centimetres). 
Determine a 90% confidence interval for the difference, 
- 
,between the mean height of women in Country A and the mean height of women in Country B.
A)(0.4,10.7) 
B)(1.4,9.2) 
C)(0.8,14.2) 
D)(161.4,164.3) 
E)(0.7,4.2)

Quizplus · Accepted Answer

The Answer is A

A Researcher Was Interested in Comparing the Heights of Women