purchase appears to be relatively constant over time. In 2015, among a sample of 389 on-line buyers, 159 purchased
purchase appears to be relatively constant over time. In 2015, among a sample of 389 on-line buyers, 159 purchased
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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The proportion of buyers who actually make a purchase appears to be relatively constant over time. In 2015, among a sample of 389 on-line buyers, 159 purchased merchandise. In 2019, for a sample of 301 on-line buyers, 138 purchased merchandise. At the .05 level of significance, did the proportion of on-line buyers change from 2015 to 2019?
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