Sample Solution from
Elementary Statistics: Picturing the World (7th Edition)
7th Edition
ISBN: 9780134683416
Chapter 1.1
Problem 1TY
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To determine

To determine: The population and sample for the given scenario.

To describe: The sample data set.

Answer

Answer:

The entire collection of 9th to 12th graders is considered to be a population.

1,501 graders used in the survey are considered to be a sample.

The sample data consists of 1,215 graders who responded to the survey and the remaining 286 who did not respond to the survey.

Explanation

Explanation:

Given info:

A survey was conducted for 1,501 ninth to twelfth graders and 1,215 graders said that today’s leaders were more focused with their own ideology rather than achieving overall goals of the company.

Justification:

Population:

A collection of all outcomes, people or measurements of interest are termed as a population.

Here, the survey is based on all 9th to 12th graders. Hence, the population is collection of all 9th to 12th graders.

Sample:

The information about the population is obtained from the sample. That is, a sample is considered to be a subset of the given population.

Here, the survey is conducted for 1,501 ninth to twelfth graders. Hence, the sample is 1,501 graders.

Sample data:

The sample data set consists of 1,215 graders said that today’s leaders were more focused with their own ideology rather than achieving overall goals of the company. Also, the remaining 286 graders did not respond to the survey.

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