SCENARIO 3-3 The Ordered Array Below Represents the Number of Vitamin Supplements

question 31

Short Answer

SCENARIO 3-3
The ordered array below represents the number of vitamin supplements sold by a health food store in
a sample of 16 days.
19, 19, 20, 20, 22, 23, 25, 26, 27, 30, 33, 34, 35, 36, 38, 41
Note: For this sample, the sum of the values is 448, and the sum of the squared differences between
each value and the mean is 812.
-Referring to Scenario 3-2,the variance of the carbohydrate amounts is_____ (grams squared).

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Definitions:

Coefficient of Variation

A uniform metric showing the spread of a probability or frequency distribution as a percentage relative to the average.

Standard Deviation

A statistic that measures the dispersion or variation of a set of data points from their mean.

Variance

A measure of how much the values in a dataset vary or deviate from the mean, technically the average of the squared differences from the Mean.

Coefficient of Variation

A normalized measure of the dispersion of a probability distribution or frequency distribution, often expressed as a percentage.