Question

B Question Heip Not a H.S. H.S. An economist wants to determine whether the region a resident lives in is associated with education. He randomly selects 1997 residents and obtains the following data. Complete parts (a) and (b) below. Bachelor's SomeCollege pegree or higher Region graduate graduate East North South West 147 170 133 132 59 163 115 122 97 158 113 135 115 104 128 106 (a) Does the sample evidence suggest that level of education and region are independent at the a = 0.05 level of significance? O A. Fail to reject Ho. There is not sufficient evidence that education and region are associated. O B. Reject Ho. There is sufficient evidence that education and region are associated. OC. Fail to reject Ho. There is sufficient evidence that education and region are associated. O D. Reject Ho. There is not sufficient evidence that education and region are associated. (b) Construct a conditional distribution by region and draw a bar graph. Not a H.S. H.S. graduate Some College Bachelor's Degree or higher Region graduate East North South West (Round to three decimal places as needed.) Choose the correct bar graph below. 0.5- 1NHSB East NHSB North NHSB South NHS B West 0.5- NHS B South IN HSB East North West

Answer 1

OB. Reject Ho. There is sufficient evidence that education and region are associated.

dividing each value by row total

Oi	not HS	HS	some coll	Bachelor or high
east	0.253	0.292	0.229	0.227
north	0.129	0.355	0.251	0.266
south	0.193	0.314	0.225	0.268
west	0.230	0.283	0.234	0.254

East North South West