*** I only have two hours left as of 9:25 pm EASTERN TIME*** Please provide the
ID: 3182654 • Letter: #
Question
*** I only have two hours left as of 9:25 pm EASTERN TIME***
Please provide the specific detailed breakdown of the solution with formulas, etc.
Premium Product Promotions, a market research firm, is trying to determine if there are differences in the brand of beer preferred by various customer groups. Formulate and test a hypothesis for them using = 0.05 if the following data are the preferences of a sample of 800.
CUSTOMER GROUP
BRAND OF BEER
Pale
Golden
Heavy
Housewives
75
20
5
Businessmen
50
130
20
Factory Workers
5
25
170
College Students
100
100
100
CUSTOMER GROUP
BRAND OF BEER
Pale
Golden
Heavy
Housewives
75
20
5
Businessmen
50
130
20
Factory Workers
5
25
170
College Students
100
100
100
Explanation / Answer
here we will apply chi square test
for above chi test 407.384 ; p value =0.0000
as p vlaue is less then 0.05 level; we can reject null hypothesis and conclude that there are differences in the brand of beer preferred by various customer groups.
Observed O Pale Golden Heavy Total Housewife 75 20 5 100 Businessman 50 130 20 200 Factory workers 5 25 170 200 College students 100 100 100 300 Total 230 275 295 800 Expected E=rowtotal*column total/grand total Pale Golden Heavy Total Housewife 28.750 34.375 36.875 100 Businessman 57.500 68.750 73.750 200 Factory workers 57.500 68.750 73.750 200 College students 86.250 103.125 110.625 300 Total 230 275 295 800 chi square =(O-E)^2/E Pale Golden Heavy Total Housewife 74.402 6.011 27.553 107.967 Businessman 0.978 54.568 39.174 94.720 Factory workers 47.935 27.841 125.614 201.390 College students 2.192 0.095 1.020 3.307 Total 125.507 88.515 193.362 407.384Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.