Identify the population, parameter, sample and statistic. (b) State appropriate hypotheses for performing a significance test
Identify the population, parameter, sample and statistic. (b) State appropriate hypotheses for performing a significance test
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 5E
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In a major urban area, the percentage of male drivers between the ages of 19 and 29 who did not regularly use seatbelts was 28%. After a major radio and television campaign and stricter enforcement by the local police, researchers want to know if the percentage of male drivers between the ages of 19 and 29 who did not regularly use seatbelts has decreased. They poll a random sample of 100 males between the ages of 19 and 29 and find the percentage who didn’t wear their seatbelt was 24%.
(a) Identify the population, parameter, sample and statistic.
(b) State appropriate hypotheses for performing a significance test.
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