How do Americans feel about ads on websites? A survey of 1,000 adult Internet users found that
Question:
a. At the 0.05 level of significance, is there evidence of a difference between adult Internet users and Internet users age 12-17 in the proportion who oppose ads?
b. Find the p-value in (a) and interpret its meaning.
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a PHStat output Z Test for Differences in Two Proportions Data Hypothesized Difference 0 Level of Significance 005 Group 1 Number of Items of Interest 273 Sample Size 665 Group 2 Number of Items of In...View the full answer
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Related Book For 
Basic Business Statistics Concepts And Applications
ISBN: 9780132168380
12th Edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
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