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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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conrad136 conrad136
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1 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		​


Test, at the 5% level, if there is evidence that car crashes are not equally like to occur on all days of the week. Include all details of the test.
Textbook 
Statistics: Unlocking the Power of Data

Statistics: Unlocking the Power of Data


Edition: 3rd
Authors:
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moraamoraa
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1 months ago
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conrad136 Author
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1 months ago
Thanks for your help!!
gma_of_7
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Yesterday
Brilliant ツ
Jodias
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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