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

question 59

Short Answer

TABLE 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 Table 3-3, the variance of the number of vitamin supplements sold in this sample is ________.

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Definitions:

Mode

The value that appears most frequently in a data set, representing the highest peak in a distribution.

Hypothesis

A proposed explanation for a phenomenon, set forth as a starting point for further investigation through experimentation or observation.

Central Tendency

A statistical measure that identifies a single value as representative of the middle of a dataset, often the mean, median, or mode.

Bimodal Distributions

Probability distributions with two different modes or peaks, reflecting two dominant values in a dataset.