Some communities, counties and states have banned the use of plastic bags at ret
ID: 2929338 • Letter: S
Question
Some communities, counties and states have banned the use of plastic bags at retail and grocery stores. Suppose a researcher studying the social aspects of environmental issues wanted to examine the potential effects of imposing a ban on plastic bags. Two of the variables studied surveyed customers for information on shopping bag preference versus their level of education. Responses were recorded for a sample of 175 customers. The results of the survey question are shown below. Answer the following questions: Part A) At the .05 level of significance, is bag type selection independent of education level? Perform the appropriate test and make sure you include all required components of the Ho test procedure. Part B) If your find a relationship exists, describe the nature of the relationship.Using Excel to provide any additional work.
Bag Choice: High School Some College College Grad Graduate Study Total Paper 13 13 35 2 63 Plastic 18 19 18 3 58 No Preference 8 28 13 5 54 Total 39 60 66 10 175Explanation / Answer
A)
ho: College and bag choice are indepdnent of each other
h1: college and bag choice are not independent of each other
chisq= SUM((Oi-Ei)^2/Ei) = 22.34
p-value = .001
df=(r-1)*(c-1) = 6
chisq(0.05, 6) = 12.59
with chisq = 22.34 and p-value < 0.05 i reject ho and conclude that college and bag choice are not independent of each other.
B)
there is sufficient evidence to say that there is no relationship bertween college and bag choice.
Observed Frequencies college Bag Choice: High School Some College College Grad Graduate Study Total Paper 13 13 35 2 63 Plastic 18 19 18 3 58 No Preference 8 28 13 5 54 Total 39 60 66 10 175Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.