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Question: When a 95% confidence interval is calculated instead of a 90% confidence interval with the same sample, the maximum error of estimate will be _____ .


A ) either smaller or larger depending on sample size
B ) the same
C ) smaller
D ) larger

Steps to derive

1 When the confidence level is increased, the possibility of error is more.

2 So, the maximum error of estimate in a 95% confidence interval will be larger than that in a 90% confidence interval.



Hence the right answer is Option D

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