An e marketing consultant is hired to determine how long customers spend, on average, on a company's website If the standard deviation is known from previous studies to be approximately 4 1 minutes, determine the number of customers that needs to be sampled in order to determine the mean length of...

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Elementary Statistics in Social Research Essentials

ISBN: 9780205638000

3rd edition

Authors: Jack A. Levin, James Alan Fox

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Posted Date: Apr 11, 2022 05:57 AM

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