Shoppers were asked about their regular grocery shopping locations. The table below shows the responses of the sampled shoppers. We are interested in determining if the proportions of females in the three categories are different from each other. Grocery Discount Membership Gender chain warehouse Total store Female 220 80 90 390 Male 80 70 60 210 Total 300 150 150 600 HINT: You are NOT to be using a chi-square test here!! You do not need any test, you are using comparisons! a. Provide the null and alternative hypotheses. b. Determine the expected frequencies. c. Compute the sample proportions. d. Compute the critical values (CVy) at the .10 level. Using pairwise comparisons, provide evidence showing which (if any) proportions are indeed е. different.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.CT: Chapter Test
Problem 24CT: Show the sample space of the experiment: toss a fair coin three times.
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Shoppers were asked about their regular grocery shopping locations. The table below shows the responses of the
sampled shoppers. We are interested in determining if the proportions of females in the three categories are different
from each other.
Grocery
Discount
Membership
Gender
chain
store
warehouse
Total
Female
220
80
90
390
Male
80
70
60
210
Total
300
150
150
600
HINT: You are NOT to be using a chi-square test here!! You do not need any test, you are using comparisons!
a. Provide the null and alternative hypotheses.
b. Determine the expected frequencies.
c. Compute the sample proportions.
d. Compute the critical values (CV) at the .10 level.
Using pairwise comparisons, provide evidence showing which (if any) proportions are indeed
е.
different.
Transcribed Image Text:Shoppers were asked about their regular grocery shopping locations. The table below shows the responses of the sampled shoppers. We are interested in determining if the proportions of females in the three categories are different from each other. Grocery Discount Membership Gender chain store warehouse Total Female 220 80 90 390 Male 80 70 60 210 Total 300 150 150 600 HINT: You are NOT to be using a chi-square test here!! You do not need any test, you are using comparisons! a. Provide the null and alternative hypotheses. b. Determine the expected frequencies. c. Compute the sample proportions. d. Compute the critical values (CV) at the .10 level. Using pairwise comparisons, provide evidence showing which (if any) proportions are indeed е. different.
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