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A machine drops balls randomly into 5 bins labeled A, B, C, D, and E. If the machine is working correctly, all bins should end up with the same number of balls. Is there evidence that the machine is not working correctly? Bin Label A B 7 20 13 E 24 Report all answers accurate to three decimal places. But retain unrounded numbers for future calculations. с D Observed Frequency 22 What is the chi-square test-statistic for this data? (Report answer accurate to three decimal places, and remember to use the unrounded Pearson residuals in your calculations.) x²= Expected Frequency What are the degrees of freedom for this test? d.f.- The p-value is... What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value= O less than (or equal to) a O greater than a This test statistic leads to a decision to... O reject the null O accept the null O fail to reject the null accept the alternative As such, the final conclusion is that... O There is sufficient evidence to warrant rejection of the claim that all 5 bins are equally likely to be selected. O There is not sufficient evidence to warrant rejection of the claim that all 5 bins are equally likely to be selected. O The sample data support the claim that all 5 bins are equally likely to be selected. O There is not sufficient sample evidence to support the claim that all 5 bins are equally likely to be selected.

A machine drops balls randomly into 5 bins labeled A, B, C, D, and E. If the machine is working correctly, all bins should end up with the same number of balls. Is there evidence that the machine is not working correctly? Bin Label A B 7 20 13 E 24 Report all answers accurate to three decimal places. But retain unrounded numbers for future calculations. с D Observed Frequency 22 What is the chi-square test-statistic for this data? (Report answer accurate to three decimal places, and remember to use the unrounded Pearson residuals in your calculations.) x²= Expected Frequency What are the degrees of freedom for this test? d.f.- The p-value is... What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value= O less than (or equal to) a O greater than a This test statistic leads to a decision to... O reject the null O accept the null O fail to reject the null accept the alternative As such, the final conclusion is that... O There is sufficient evidence to warrant rejection of the claim that all 5 bins are equally likely to be selected. O There is not sufficient evidence to warrant rejection of the claim that all 5 bins are equally likely to be selected. O The sample data support the claim that all 5 bins are equally likely to be selected. O There is not sufficient sample evidence to support the claim that all 5 bins are equally likely to be selected.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A machine drops balls randomly into 5 bins labeled A, B, C, D, and E. If the machine is working correctly, all bins should end up with the same number of balls. Is there evidence that the machine is not working correctly? Bin Label A B с D Observed Frequency 22 7 20 13 The p-value is... E Report all answers accurate to three decimal places. But retain unrounded numbers for future calculations. 24 What is the chi-square test-statistic for this data? (Report answer accurate to three decimal places, and remember to use the unrounded Pearson residuals in your calculations.) x² = What are the degrees of freedom for this test? d.f.= Expected Frequency What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value= less than (or equal to) a greater than a This test statistic leads to a decision to... reject the null accept the null fail to reject the null accept the alternative As such, the final conclusion is that... O There is sufficient evidence to warrant rejection of the claim that all 5 bins are equally likely to be selected. O There is not sufficient evidence to warrant rejection of the claim that all 5 bins are equally likely to be selected. The sample data support the claim that all 5 bins are equally likely to be selected. O There is not sufficient sample evidence to support the claim that all 5 bins are equally likely to be selected.
Transcribed Image Text:A machine drops balls randomly into 5 bins labeled A, B, C, D, and E. If the machine is working correctly, all bins should end up with the same number of balls. Is there evidence that the machine is not working correctly? Bin Label A B с D Observed Frequency 22 7 20 13 The p-value is... E Report all answers accurate to three decimal places. But retain unrounded numbers for future calculations. 24 What is the chi-square test-statistic for this data? (Report answer accurate to three decimal places, and remember to use the unrounded Pearson residuals in your calculations.) x² = What are the degrees of freedom for this test? d.f.= Expected Frequency What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value= less than (or equal to) a greater than a This test statistic leads to a decision to... reject the null accept the null fail to reject the null accept the alternative As such, the final conclusion is that... O There is sufficient evidence to warrant rejection of the claim that all 5 bins are equally likely to be selected. O There is not sufficient evidence to warrant rejection of the claim that all 5 bins are equally likely to be selected. The sample data support the claim that all 5 bins are equally likely to be selected. O There is not sufficient sample evidence to support the claim that all 5 bins are equally likely to be selected.
Expert Solution
Step 1

Given that:

Bin Label Observed Frequency
A 22
B 7
C 20
D 13
E 24
steps

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