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Asked by jen

what happens to the width of our confidence interval for mu if we increase the sample size but keep the confidence level the same ?
a. it increases
b. it stays the same
c. it decreases
d. it depends on the sample mean and standard deviation
13 years ago

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Answered by PsyDAG
C. SEm = SD/√n
13 years ago
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Question

what happens to the width of our confidence interval for mu if we increase the sample size but keep the confidence level the same ?
a. it increases
b. it stays the same
c. it decreases
d. it depends on the sample mean and standard deviation

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