A large suburban school district is contemplating instituting a special program to combat overweight in elementary school boys. In order to determine whether such a program is warranted, a random sample of 36 fourth-grade boys is selected. Then, for each boy the difference between his actual weight and the weight recommended for his height and age is recorded. A positive difference indicates overweight and a negative difference, underweight. The following results are obtained (in pounds):
(a) Set up
and
.
(b)Perform the statistical test ( (c)Draw final conclusions.
Correct Answer:
Verified
; reject
...
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