Concept explainers
a)
To explain whether the study is stratified sample or blocked experiment.
a)
Answer to Problem 4E
Stratified sampling.
Explanation of Solution
Stratified sampling: It draws simple random samples from independent subgroups.
Therefore, the study is stratified sample since men and women are split which can be assumed as strata.
b)
To explain whether the design of the study appropriate for advertiser’s questions.
b)
Answer to Problem 4E
Yes, it is appropriate.
Explanation of Solution
The stratified sampling helps to know about the gender which they should gear more of the advertisements to. Hence, the design of the study was appropriate advertiser’s questions.
Chapter 13 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Basic Business Statistics, Student Value Edition (13th Edition)
Statistical Reasoning for Everyday Life (5th Edition)
Fundamentals of Statistics (5th Edition)
Introductory Statistics
Statistics for Business and Economics (13th Edition)
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