Multiple Choice
The table below shows the weights of 9 subjects,in kg,before and after they followed a particular diet for two months.
Construct a 95% confidence interval for the mean difference of the "before" minus "after" weights if if
(before-after) = 4.4333 and
= 4.2146
A) (2.8,7.0)
B) (-7.0,6.8)
C) (2.4,7.4)
D) (1.2,7.7)
E) (1.5,6.7)
Correct Answer:

Verified
Correct Answer:
Verified
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