Question

1. A researcher randomly sampled people from Anchorage and Palmer, and asked whether they have a college diploma. The frequency of people with or without college diplomas for Anchorage and Palmer is summarized in the table below.

Analyze the data to examine whether the frequency of people with college diplomas differ between Anchorage and Palmer using the appropriate statistical technique, and indicate the results of the analysis.

	No college diploma	College diploma
Anchorage	7	14
Palmer	11	8

Answer 1

Here to test this hypothesis we use yate's correction for chi-Square Test

where we find asoociation of anchorage and palmer with college deploma

No cllge Diplona Cllge Diploma Total

Anchorage 7 14 21

Palmer 11 8 19

Total 18 22 40

H0 : (no association)

HA : (association)

Now find out tabulated value from T table using given confidence intervel

if   

else