Chi square test for association

Assignment Help Basic Statistics

Reference no: EM13107779

The newspaper has charged that your police department responds more slowly to 911 calls in poor neighborhoods than in more wealthy ones. As Captain, you gather the following data [n = 191] to determine whether the allegation is true. Specify the null and alternative hypothesis.

Police Response Time
Neighborhood Less than 3 minutes 3 to 7 minutes Over 7 minutes
socio-economic
status

Low 11 17 35
Medium 16 24 13
High 48 20 7
Total 75 61 55

What do you conclude? [use alpha of 1%]

Reference no: EM13107779

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