Elementary Statistics (13th Edition)
13th Edition
ISBN: 9780134462455
Author: Mario F. Triola
Publisher: PEARSON
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Chapter 11.1, Problem 19BSC
In Exercises 5–20, conduct the hypothesis test and provide the test statistic and the P-value I and/or critical value, and state the conclusion.
19. M&M Candies Mars, Inc. claims that its M&M plain candies are distributed with the following color percentages: 16% green, 20% orange, 14% yellow, 24% blue, 13% red, and 13% brown. Refer to Data Set 27 “M&M Weights” in Appendix B and use the sample data to test the claim that the color distribution is as claimed by Mars, Inc. Use a 0.05 significance level.
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The following table shows the cross-classification of accounting practices (either straight line, declining balance, or both) and country (either France, Germany, or United Kingdom).
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United Kingdom
Straight Line
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11
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a.Set up the competing hypotheses to determine if accounting practice and country are dependent.
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The following table shows the cross-classification of accounting practices (either straight line, declining balance, or both) and country (either France, Germany, or United Kingdom).
France
Germany
United Kingdom
Straight Line
20
11
30
Declining Balance
14
16
15
Both
15
23
13
Set up the competing hypotheses to determine if accounting practice and country are dependent.
What is the degrees of freedom for the test.
Calculate the value of the test statistic ( x2 ).
1A. State the null and research hypothesis
2A. Make a decision based on the information provided
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Chapter 11 Solutions
Elementary Statistics (13th Edition)
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