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Based on data collected in 2010, 23 percent of women wanted to buy a Google Android smart phone or tablet.

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Based on data collected in 2010, 23 percent of women wanted to buy a Google Android smart phone or tablet. Among men, 33 percent were interested in an Android purchase next. The survey contacted 240 women and 265 men.
(a) Might the comparison between these two samples be confounded with a hidden factor? If so, identify such a factor.
(b) Find the 95% confidence interval for the difference between the proportion of men and the proportion women interested in buying an Android device.
(c) What are the implications of the confidence interval for sales executives at Google?

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a Yes possible factors are income …View the full answer


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Statistics For Business Decision Making And Analysis

Statistics For Business Decision Making And Analysis

ISBN: 9780321890269

2nd Edition

Authors: Robert Stine, Dean Foster

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Question Posted: July 14, 2015 09:41:34
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