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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 brands A and C were equally preferred, 30 % preferred brand B, and 26% preferred the store brand, D. The manag- that there has been a change in customer preferences and that the preference for store-brand apple pie has incm perhaps will positively contribute to increased profits. Find the value of the appropriate test statistic for testing in customer preferences from the past years. Brand A B D. Number 60 70 24 112

Consider 3 national brands of apple pie (A, B, C), and a store brand (D) sold at a local grocery store. Past records brands A and C were equally preferred, 30 % preferred brand B, and 26% preferred the store brand, D. The manag- that there has been a change in customer preferences and that the preference for store-brand apple pie has incm perhaps will positively contribute to increased profits. Find the value of the appropriate test statistic for testing in customer preferences from the past years. Brand A B D. Number 60 70 24 112

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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, 30% 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 D. Number 60 70 24 112
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, 30% 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 D. Number 60 70 24 112
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