Multiple Choice
In developing an interval estimate for a population mean,the population standard deviation σ was assumed to be 10.The interval estimate was 50.92 ± 2.14.Had σ equaled 20,the interval estimate would be
A) 60.92 ± 2.14
B) 50.92 ± 12.14
C) 101.84 ± 4.28
D) 50.92 ± 4.28
Correct Answer:

Verified
Correct Answer:
Verified
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