Consider 3 national brands of apple pie (A, B, C), and a store brand (D) sold at a local grocery store. Past records show brands A and C were equally preferred, 32% preferred brand B, and 26% preferred the store brand, D. The manager believes that there has been a change in customer preferences and that the preference for store-brand apple pie has increased and perhaps will positively contribute to increased profits. Find the value of the appropriate test statistic for testing the change in customer preferences from the past years. Brand A B D Number 56 68 28 110 Answer:

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Consider 3 national brands of apple pie (A, B, C), and a store brand (D)
sold at a local grocery store. Past records show brands A and C were
equally preferred, 32% preferred brand B, and 26% preferred the store
brand, D. The manager believes that there has been a change in
customer preferences and that the preference for store-brand apple pie
has increased and perhaps will positively contribute to increased profits.
Find the value of the appropriate test statistic for testing the change in
customer preferences from the past years.
Brand
A
C
D
Number
56
68
28
110
Answer:
Transcribed Image Text:Consider 3 national brands of apple pie (A, B, C), and a store brand (D) sold at a local grocery store. Past records show brands A and C were equally preferred, 32% preferred brand B, and 26% preferred the store brand, D. The manager believes that there has been a change in customer preferences and that the preference for store-brand apple pie has increased and perhaps will positively contribute to increased profits. Find the value of the appropriate test statistic for testing the change in customer preferences from the past years. Brand A C D Number 56 68 28 110 Answer:
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