a. Explanation The given data shows that the Lunch Costs for week days and weekends were compared and the level of significance is 0.05. Calculation: The claim that there is difference in the amounts spent on weekday’s lunch and weekend’s lunch were presented is alternative hypothesis. Thus, the null hypothesis is there is no difference in the amounts spent on lunches... b. To determine To find: The critical value. c. To determine To find: The test statistic value. d. To determine To make: The decision. e. To determine To interpret: The decision in the context of the original claim.

Elementary Statistics: A Step By Step Approach

10th Edition

ISBN: 9781259755330

Author: Allan G. Bluman

Publisher: McGraw-Hill Education

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

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Chapter 13, Problem 13.4.7RE

To determine

To state: The hypotheses and identify the claim.

To determine

To find: The critical value.

To determine

To find: The test statistic value.

To determine

To make: The decision.

To determine

To interpret: The decision in the context of the original claim.

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Chapter 13, Problem 13.4.6RE

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Chapter 13 Solutions

Elementary Statistics: A Step By Step Approach

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To state: The hypotheses and identify the claim.

Solution Summary: The author explains the null hypothesis that there is no difference in the amounts spent on weekdays and weekends.

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To state: The hypotheses and identify the claim.

To find: The critical value.

To find: The test statistic value.

To make: The decision.

To interpret: The decision in the context of the original claim.

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Chapter 13 Solutions