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:

Monopoly

A market structure characterized by a single seller who controls all the supply of a particular good or service, and where entry of new competitors is obstructed.

Credit-Rating Industry

The sector of the financial industry that provides assessments of the creditworthiness of borrowers to potential lenders.

Nationally Recognized

A status achieved by entities, individuals, products, or brands that are widely acknowledged and esteemed across an entire country.

Statistical Rating Organizations

Entities that provide assessments of the creditworthiness of issuers of financial instruments through ratings.