Which of the Following Statements Best Describes the Mean of a Data

question 84

Multiple Choice

Which of the following statements best describes the mean of a data set?

• A) The mean is a measure of spread.
• B) The mean is a measure of central location, defined as the middle value in a sorted set of data.
• C)The mean is a measure of central location, calculated by summing all observations in a data set divided by the number of observations in the data set.
• D) The mean is a measure of central location, defined as the observation in a data set with the highest frequency.

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Definitions:

Cluster Sampling

A sampling technique where the researcher divides the population into separate groups, or "clusters," and a sample of these clusters is then selected for study.

Stratified Random

This refers to a sampling method where the population is divided into subgroups (strata) that share similar characteristics, and a random sample is then drawn from each stratum.

Achievement Tests

Standardized tests designed to assess how much knowledge and skills a person has acquired in a specified area.

Haphazard Sampling

A non-systematic sampling method where items or individuals are selected randomly in an unplanned way, without any specific pattern.