Other things being equal, explain why you think each of the following changes would increase, decrease, or
Question:
Other things being equal, explain why you think each of the following changes would increase, decrease, or have no effect on the width of a 95 percent confidence interval for the population mean:
a. The sample mean is smaller.
b. The population mean is smaller.
c. The sample standard deviation is smaller.
d. The sample size is smaller.
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a If the sample mean is smaller it would decrease the width of the 95 percent confidence interval fo...View the full answer
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Related Book For 
Essential Statistics Regression And Econometrics
ISBN: 9780123822215
1st Edition
Authors: Gary Smith
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