Which of the Following Types of Data Are Commercial Sources

question 21

Multiple Choice

Which of the following types of data are commercial sources, trade associations, management groups, and state and local governments a good source of?

• A) Referential data
• B) Secondary data
• C) Tertiary data
• D) Parallel data
• E) Derived data

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Definitions:

Squared Deviations

The squares of the differences between each observation in a dataset and the mean of that dataset, used in statistical analyses to measure variability.

Grand Mean

The overall mean calculated from multiple sets of observations or groups.

Total Sum

The aggregate or combined total of all the values in a set of numbers.

F Distribution

A probability distribution that is used in ANOVA tests, describing the ratio of variances between and within samples.