To Test the Difference in Two Proportions

Nonfiction, Social & Cultural Studies, Social Science, Statistics
Cover of the book To Test the Difference in Two Proportions by Homework Help Classof1, Classof1
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Author: Homework Help Classof1 ISBN: 1230000119356
Publisher: Classof1 Publication: April 3, 2013
Imprint: Language: English
Author: Homework Help Classof1
ISBN: 1230000119356
Publisher: Classof1
Publication: April 3, 2013
Imprint:
Language: English

A test was conducted to determine whether gender of a spokesperson affected the likelihood that consumers would prefer a new product.  A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers preferred the product while 62 of 180 customers preferred the product when a male spokesperson was employed. At the 0.01level of significance do the samples provide sufficient evidence to indicate that on the average more consumers prefer a new product when the spokesperson is female?

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A test was conducted to determine whether gender of a spokesperson affected the likelihood that consumers would prefer a new product.  A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers preferred the product while 62 of 180 customers preferred the product when a male spokesperson was employed. At the 0.01level of significance do the samples provide sufficient evidence to indicate that on the average more consumers prefer a new product when the spokesperson is female?

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