A marketing researcher wants to estimate the mean amount spent per year ($) on a web site
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Question:
A marketing researcher wants to estimate the mean amount spent per year ($) on a web site by membership member shoppers. Suppose a random sample of 150 membership member shoppers who recently made a purchase on the website yielded a mean amount spent of 60$ and a standard deviation of 54$.
The critical value(s) is/are :
Related Book For
Basic Business Statistics Concepts and Applications
ISBN: 978-0134684840
14th edition
Authors: Mark L. Berenson, David M. Levine, Kathryn A. Szabat, David F. Stephan
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