# A marketing researcher wants to estimate the mean amount spent per year ($) on a web site by membership member

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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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