Jolene Is 72

question 28

Multiple Choice

Jolene is 72. Based on the text, she is apt to describe herself as:

• A) elderly.
• B) either middle-aged or elderly.
• C) middle-aged.
• D) old-old.

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Definitions:

Mean

The mathematical calculation where you add all the numbers in a set and divide by the number of elements to find the average.

Mound-Shaped Distribution

A data distribution that is symmetric and bell-shaped, often resembling the normal distribution but not necessarily having its mathematical properties.

Standard Deviation

A measure of the dispersion or variability within a set of numerical data, indicating how spread out the values are from the mean.

Tchebysheff's Theorem

A statistical rule stating that for any dataset, regardless of distribution, a certain minimum percentage of values must lie within a specified number of standard deviations from the mean.