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 9^{th} to 12^{th} 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 9^{th} to 12^{th} graders. Hence, the population is collection of all 9^{th} to 12^{th} 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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