In Computing Descriptive Statistics from Grouped Data

question 134

Multiple Choice

In computing descriptive statistics from grouped data,

• A)data values are treated as if they occur at the midpoint of a class
• B)the grouped data result is more accurate than the ungrouped result
• C)the grouped data computations are used only when a population is being analyzed
• D)None of these alternatives is correct.

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Definitions:

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The desired outcome or objective sought through scientific research or inquiry, often aimed at advancing knowledge or solving specific problems.

Operational Definitions

Specific explanations of abstract concepts that a researcher plans to study, defined in terms of the operations or techniques used to measure or manipulate them.

Variables

Elements, traits, or characteristics that can change and affect the outcomes of scientific or statistical experiments.

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