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# Solution: Refer to the indicated data set in Appendix B and ISBN: 9780321836960 18

## Solution for problem 19BSC Chapter 13.2

Elementary Statistics | 12th Edition

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Problem 19BSC

Refer to the indicated data set in Appendix B and use the sign test for the claim about the median of a population. Coke Contents? Refer to Data Set 19 in Appendix B for the amounts (in oz) in cans of regular Coke. The cans are labeled to indicate that the contents are 12 oz of Coke. Use a 0.05 significance level to test the claim that cans of Coke are filled so that the median amount is 12 oz. If the median is not 12 oz, are consumers being cheated?

Step-by-Step Solution:

Solution 19BSC Step 1 Given, the amounts (in oz) in cans of regular Coke. The cans are labeled to indicate that the contents are 12 oz of Coke. By using = 0.05 level of significance to test the claim that cans of Coke are filled so that the median amount is 12 oz. The Hypotheses can be expressed as H : Median is equal to 12 oz. 0 H1 Median is not equal to 12 oz. Step 2 Let us denote negative sign (-) for contents less than 12 oz and positive sign (+) for contents more than 12 oz, we have 1 negative signs and 133 positive signs and 2 equal values from the dataset-19 of Appendix B. Now, Positive signs = 133 Negative signs = 1 Number of ties = 2 Now, the Test Statistic is the less frequent sign i.e., negative sign = 1 Therefore, x = 1 is the required value of test statistic. Hence for sign test the required sample size used is 134 i.e., n = 133 + 1 = 134 which is greater than 25 (n 25).

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##### ISBN: 9780321836960

The full step-by-step solution to problem: 19BSC from chapter: 13.2 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. Elementary Statistics was written by and is associated to the ISBN: 9780321836960. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. The answer to “Refer to the indicated data set in Appendix B and use the sign test for the claim about the median of a population. Coke Contents? Refer to Data Set 19 in Appendix B for the amounts (in oz) in cans of regular Coke. The cans are labeled to indicate that the contents are 12 oz of Coke. Use a 0.05 significance level to test the claim that cans of Coke are filled so that the median amount is 12 oz. If the median is not 12 oz, are consumers being cheated?” is broken down into a number of easy to follow steps, and 91 words. This full solution covers the following key subjects: coke, cans, median, use, refer. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. Since the solution to 19BSC from 13.2 chapter was answered, more than 269 students have viewed the full step-by-step answer.

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