Question
Asked Jan 17, 2020
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Police Calls The police department in Madison, Connecticut, released the following numbers of calls for the different days of the week during a February that had 28 days: Monday (114); Tuesday (152); Wednesday (160); Thursday (164); Friday (179); Saturday (196); Sunday (130). Use a 0.01 significance level to test the claim that the different days of the week have the same frequencies of police calls. Is there anything notable about the observed frequencies?

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Expert Answer

Step 1

 

There are 7 observed frequencies as  shown below.

 

Statistics homework question answer, step 1, image 1
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Step 2

We have to test the claim that different days of the week have the same frequencies or that the population proportions are equal. We can calculate each proportion as shown below.

 

Statistics homework question answer, step 2, image 1
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Step 3

Null Hypothesis: All proportions are equal 

Alternate hypothesis: Atleast one proportion is dif...

Statistics homework question answer, step 3, image 1
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Hypothesis Testing

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