Multiple Choice
If the desired level of confidence to estimate a mean is increased from 90% (with z = 1.60) to 95%,the sample size is increased by a factor of ____,all else equal.
A) 2.50
B) 4.65
C) Has no effect on sample size.
D) 1.56
E) 2.00
Correct Answer:
Verified
Correct Answer:
Verified
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