Executives at the Walt Disney Company are interested in estimating the mean spending per capita for people
Question:
a. State the appropriate null and alternative hypotheses.
b. Organize the data into six classes and form the grouped data frequency distribution (refer to Chapter 2).
c. Using the sample mean and sample standard deviation, calculate the expected frequencies, assuming that the null hypothesis is true.
d. Conduct the test statistic and compare it to the appropriate critical value for a significance level equal to 0.05. What conclusion should be reached? Discuss.
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Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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