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

question 66

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 coefficient of variation of the number of vitamin supplements sold in this sample is ________ percent.

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Definitions:

Interval Data

A type of data that is measured along a scale, where the difference between values is meaningful, but there is no true zero point.

Nominal Data

Data classified into categories that cannot be ordered or ranked in any meaningful way.

Ordinal Data

A type of categorical statistical data representing order or rank, such as levels of satisfaction, without specifying the exact differences between ranks.

Null Hypothesis

A hypothesis that proposes there is no significant difference or effect and serves as the default assumption to be tested against an alternative.