Variability Refers To

question 19

Multiple Choice

Variability refers to:

• A)the number of scores in a sample.
• B)the precision of the sample mean.
• C)the spread of the sample scores.
• D)none of the above

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Definitions:

Confidence Interval

A spectrum of statistical indicators, sourced from a sample, predicted to involve the secret value of a population parameter.

Normal Distribution

A bell-shaped probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Confidence Interval

A selection of statistics, from analyzing samples, anticipated to house the covertly valued population parameter.

Standard Deviation

A statistic that denotes the dispersion or variability of a dataset relative to its mean, indicating how spread out the data points are.