An economist wants to determine whether the region a resident lives in is associated with education. He randomly selects 1899 residents and

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An economist wants to determine whether the region a resident lives in is associated with education. He randomly selects 1899 residents and obtains the following data. Complete parts A and B.

 

REGION NOT A HS GRAD HS GRAD SOME COLLEGE DEGREED

East 81 178 104 127

North 98 148 86 147

South 101 178 67 141

West 79 163 108 93

 

Does the sample evidence suggest that the level of education and region are independent at the a = 0.05 level of significance?

Reject Ho, there is not sufficient evidence that education and region are associated

Reject Ho, there is sufficient evidence that education and region are associated

Fail to reject Ho, there is sufficient evidence

Fail to reject Ho, there is not sufficient evidence

 

B) Construct a conditional distribution by region and draw a bar graph.

 

REGION NOT A HS GRAD HS GRAD SOME COLLEGE DEGREED

East ?? ?? ?? ??

North ?? ?? ?? ??

South ?? ?? ?? ??

West ?? ?? ?? ??

 

BAR GRAPH- ?????

    • 13 years ago
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