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Dara Lells Should be frequencies. 4) A random sample of M&M's was taken from several large jars. The following table gives the counts of the various colors. Is this evidence that the colors are not evenly distributed? Observed Expected X² 75% 1=yes Red 126 What are the hypotheses? H₂: H₂i Can we use a chi-squared test? Why or why not? What is the value of X²? Orange 123 What is the degrees of freedom? Yellow 106 Which colors contribute most to the X² score? Green 115 Blue 133 Brown 117 Total 720

Dara Lells Should be frequencies. 4) A random sample of M&M's was taken from several large jars. The following table gives the counts of the various colors. Is this evidence that the colors are not evenly distributed? Observed Expected X² 75% 1=yes Red 126 What are the hypotheses? H₂: H₂i Can we use a chi-squared test? Why or why not? What is the value of X²? Orange 123 What is the degrees of freedom? Yellow 106 Which colors contribute most to the X² score? Green 115 Blue 133 Brown 117 Total 720

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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Data cells should be frequencier. 4) A random sample of M&M's was taken from several large jars. The following table gives the counts of the various colors. Is this evidence that the colors are not evenly distributed? Observed Expected X² 75% 1=yes Red 126 What are the hypotheses? Hoi Hai Can we use a chi-squared test? Why or why not? What is the value of X²? Orange 123 What is the degrees of freedom? Yellow 106 Which colors contribute most to the X² score? Green 115 Blue 133 Brown 117 Total 720
Transcribed Image Text:Data cells should be frequencier. 4) A random sample of M&M's was taken from several large jars. The following table gives the counts of the various colors. Is this evidence that the colors are not evenly distributed? Observed Expected X² 75% 1=yes Red 126 What are the hypotheses? Hoi Hai Can we use a chi-squared test? Why or why not? What is the value of X²? Orange 123 What is the degrees of freedom? Yellow 106 Which colors contribute most to the X² score? Green 115 Blue 133 Brown 117 Total 720
5) A survey was given to determine if there are differences in how frequently full and part time employees use public transportation. Is there a relationship between working and use of public transportation? The results are below: Use Often 5% ↑= yes Sometimes Rarely What are the hypotheses? H₂; M₁ = M₂ = Mz = M₁ Full time 61 What is the value of X²? 211 Ha: M₁ \ M₂ M₂ & M4 Can we use a chi-squared test? Why or why not? 634 What is the degrees of freedom? Part Time 70 158 443 The chi-square statistic had a p-value of 0.02671. What can you conclude? Which entries of the table do you think contribute the most to your conclusion? total 131 369 1077
Transcribed Image Text:5) A survey was given to determine if there are differences in how frequently full and part time employees use public transportation. Is there a relationship between working and use of public transportation? The results are below: Use Often 5% ↑= yes Sometimes Rarely What are the hypotheses? H₂; M₁ = M₂ = Mz = M₁ Full time 61 What is the value of X²? 211 Ha: M₁ \ M₂ M₂ & M4 Can we use a chi-squared test? Why or why not? 634 What is the degrees of freedom? Part Time 70 158 443 The chi-square statistic had a p-value of 0.02671. What can you conclude? Which entries of the table do you think contribute the most to your conclusion? total 131 369 1077
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