bmaggie

Which one of the following alternatives best describes the primary use of inferential statistics? Inferential statistics are used to:

A) summarize the important characteristics of a large data set based on statistical characteristics of a smaller sample.

B) make forecasts, estimates or judgments about a large set of data based on statistical characteristics of a smaller sample.

C) make forecasts based on large data sets.

bmaggie

Which one of the following alternatives best describes the primary use of inferential statistics? Inferential statistics are used to:

A) summarize the important characteristics of a large data set based on statistical characteristics of a smaller sample.

B) make forecasts, estimates or judgments about a large set of data based on statistical characteristics of a smaller sample.

C) make forecasts based on large data sets.

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Inferential statistics are used mainly to make forecasts, estimates or judgements about a large set of data based on statistical characteristics of a smaller set of data.

bmaggie

Which of the following statements regarding the terms population and sample is least accurate?

A) A sample's characteristics are attributed to the population as a whole.

B) A descriptive measure of a sample is called a statistic.

C) A sample includes all members of a specified group.

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A population includes all members of a specified group. A sample is a portion, or subset of the population of interest.

bmaggie

Which of the following statements about statistical concepts is least accurate?

A) A frequency distribution is a tabular display of data summarized into a relatively small number of intervals.

B) A parameter is any descriptive measure of a population characteristic.

C) A sample contains all members of a specified group, but a population contains only a subset.