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Introduction to Statistics and Data Analysis
5th Edition
ISBN: 9781305750999
Author: Peck Olson Devore
Publisher: CENGAGE C
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Textbook Question
Chapter 16.2, Problem 18E
The signed-rank test can be adapted for use in testing H0: μ = hypothesized value, where μ is the mean of a single population (see the last part of this section). Suppose that the time required to process a request at a bank’s automated teller machine is recorded for each of 10 randomly selected transactions, resulting in the following times (in minutes):
Use the one-sample version of the signed-rank test and a 0.05 significance level to decide if the data provide evidence that the mean processing time exceeds 2 minutes.
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Chapter 16 Solutions
Introduction to Statistics and Data Analysis
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