A researcher was interested in comparing the number of hours of television watched each day by two-year-olds and three-year-olds.A random sample of 18 two-year-olds and 18 three-year-olds yielded the follow data.
Find a 95% confidence interval for the difference,
-
,between the mean number of hours for two-year-olds and the mean number of hours for three-year-olds.
A)(-0.87,0.26)
B)(1.25,1.56)
C)(-0.87,-0.26)
D)(-1.56,-1.25)
E)(-0.26,0.87)

Question

A researcher was interested in comparing the number of hours of television watched each day by two-year-olds and three-year-olds.A random sample of 18 two-year-olds and 18 three-year-olds yielded the follow data. 
Find a 95% confidence interval for the difference, 
- 
,between the mean number of hours for two-year-olds and the mean number of hours for three-year-olds.
A)(-0.87,0.26) 
B)(1.25,1.56) 
C)(-0.87,-0.26) 
D)(-1.56,-1.25) 
E)(-0.26,0.87)

Quizplus · Accepted Answer

The Answer of A researcher was interested in comparing the number of hours of television watched each day by two-year-olds and three-year-olds.A random sample of 18 two-year-olds and 18 three-year-olds yielded the follow data. 
Find a 95% confidence interval for the difference, 
- 
,between the mean number of hours for two-year-olds and the mean number of hours for three-year-olds.
A)(-0.87,0.26) 
B)(1.25,1.56) 
C)(-0.87,-0.26) 
D)(-1.56,-1.25) 
E)(-0.26,0.87)

A Researcher Was Interested in Comparing the Number of Hours