The marketing manager of a soap manufacturing company wishes to knowwhether the three different hand soaps that they produce are equally popular. Arandom sample of 900 consumers were asked to choose their favourite from thethree soaps. The results were as follows:TYPE OF SOAPRose Lemon Citronella TOTALNumber of consumers 410 240 250 900Using a 1% significance level, test whether the soaps are equally popular.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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The marketing manager of a soap manufacturing company wishes to know
whether the three different hand soaps that they produce are equally popular. A
random sample of 900 consumers were asked to choose their favourite from the
three soaps. The results were as follows:
TYPE OF SOAP
Rose Lemon Citronella TOTAL
Number of consumers 410 240 250 900
Using a 1% significance level, test whether the soaps are equally popular.

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