Concept explainers
To describe: The sample that could be obtained in each of the following situation.
Answer to Problem 2.7E
The sample is given below.
Explanation of Solution
Given:
The situation is given as:
A researcher wants to know to investigate whether optimists are generally healthier than pessimists.
To investigate whether optimists are generally healthier than pessimists, the researcher can use the method of convenience sampling.
The sample can be obtained as:
A researcher asks passersby their opinions on a issue that can reflects their opinion as opinion of an optimist or a pessimist and hence put some question on their health and noted down.
Chapter 15 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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