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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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coleshear coleshear
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3 months ago
Use the following to answer the questions below:

An insurance agent is interested in knowing if car crashes are more likely to occur on some days of the week than others. She selects a random sample of 250 insurance claims involving car crashes. Computer output from her chi-square test is provided.


Category
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday		Test
Observed
26
36
38
39
37
42
32
Proportion
0.142857
0.142857
0.142857
0.142857
0.142857
0.142857
0.142857
Expected
35.7143
35.7143
35.7143
35.7143
35.7143
35.7143
35.7143		Contribution
to Chi-Sq
 2.64229
0.00229
0.14629
 0.30229
0.04629
???????
0.38629		​
N
250		DF
6		Chi-Sq
4.632		P-Value
0.592		​


The contribution for Friday is missing. Compute the contribution for Friday. Report your answer with three decimal places.
Textbook 
Statistics: Unlocking the Power of Data

Statistics: Unlocking the Power of Data


Edition: 3rd
Authors:
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Gimor1220Gimor1220
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coleshear Author
wrote...

3 months ago
You make an excellent tutor!
nsak
wrote...

Yesterday
Good timing, thanks!
Lawson1981
wrote...

2 hours ago
Thanks
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