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A researcher wishes to test the claim that the average fee in private schools is $2500. She selects a random sample of 21 private schools
A researcher wishes to test the claim that the average fee in private schools is $2500. She selects a random sample of 21 private schools and finds the mean to be $2550 and the standard deviation to be $350. Is there enough evidence to support the claim at a = 0.05? Test the claim with the P-value approach
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Elementary Number Theory With Applications
Authors: Thomas Koshy
2nd Edition
0080547095, 9780080547091
