The following information is given concerning the ACT scores of high school seniors from two local schools.
School A
School B
n1 = 15
n2 = 15
= 25
= 23
= 16
= 10
?
Develop a 98% confidence interval estimate for the difference between the two population means. Assume the two populations are normally distributed.
What will be an ideal response?
-1.068 to 5.068
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