The following data are provided for two samples drawn from independent populations: W = 700, n1 =
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The following data are provided for two samples drawn from independent populations: W = 700, n1 = 25, and n2 = 20. Suppose the distribution of W is approximately normal.
a. Calculate the mean and the standard deviation of the distribution of W.
b. Specify the competing hypotheses to determine whether the median of Population 1 is greater than the median of Population 2.
c. What is the decision rule with α = 0.05?
d. Calculate the value of the test statistic Z.
e. What is the conclusion?
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a Since W is approximately normally distributed with the mea...View the full answer
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Related Book For 
Business Statistics Communicating With Numbers
ISBN: 9780078020551
2nd Edition
Authors: Sanjiv Jaggia, Alison Kelly
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