Tuesday
April 21, 2015

Homework Help: stats

Posted by sarah on Wednesday, October 30, 2013 at 8:52pm.

The population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown in the following table. Do these data provide evidence to reject the null hypothesis that = 0 in favor of 0 at = .05? (Give your answers correct to three decimal places.)

Population
11 0.2 0.3 6.9 3.1 6.4 6.7 1.6 1.8 0.6
Crime Rate
11.5 7.1 9 6.7 7.5 8.3 7.1 9.2 9.4 8

(a) Calculate r.
I found r, it is 0.288

(b) Calculate the critical region.
(smaller value)
(larger value)
Just not sure how to do part b

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