Estimating the Mean from Grouped Data Will Tend to Be

question 50

Multiple Choice

Estimating the mean from grouped data will tend to be most accurate when:

• A)observations are distributed uniformly within classes.
• B)there are few classes with wide class limits.
• C)the sample is not very large and bins are wide.
• D)the standard deviation is large relative to the mean.

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Definitions:

Simple Random Sample

A subset of a statistical population in which each member has an equal probability of being chosen, ensuring a representative sample.

Videocassette Recorders

A device used for recording and playing back video content on magnetic tape cassettes.

Nonresponse Error

A bias in survey results that happens when the answers of respondents differ from the potential answers of those who did not answer.

Responses

The answers or reactions provided by subjects in a research study or survey.