Question
A 95 % confidence interval, based on a sample of size 75 , was found to be (19.42, 31.45) . A researcher would like the
A 95 % confidence interval, based on a sample of size 75 , was found to be (19.42, 31.45) . A researcher would like the interval width to be smaller.
How can the researcher adjust/change the size of the sample drawn to decrease the width of the interval?
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First Course In Mathematical Logic
Authors: Patrick Suppes, Shirley Hill
1st Edition
0486150941, 9780486150949
