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9th Edition

Frederick J Gravetter + 2 others

ISBN: 9781337098120

To determine

**To Determine:** The type of example for the average of 2.3 meals.

Answer

**Answer:** The correct option is **b.** statistic.

Explanation

**Reason for correct answer:**

Since, average is taken over sample observations. So, it’s a function of sample observations, therefore average 2.3 is a statistic.

**Reason for incorrect answer:**

Option **a.**: Parameter is the function of population observations but we are given average of sample observations.

Option **c.**: Since, population is not a numerical value, so average 2.3 cannot be example of population.

Option **d.**: Since, sample is not a numerical value, so average 2.3 cannot be example of sample.

**Conclusion:**

The correct answer is **b.** statistic.

Concept

**Introduction;**

*Parameter:*

A parameter is a functional unit or a numerical characteristic obtained from a population.

*Statistic:*

Statistic is a numerical characteristic obtained from a sample. A sample is a subset or part of a population.

*Population:*

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

*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.

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