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

question 103

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 interquartile range of the number of vitamin supplements sold in this sample is ________.

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Definitions:

Dependent Variable

The variable being tested and measured in an experiment, which is expected to change as a result of manipulations of the independent variable.

Reading Programs

Educational strategies or curriculums designed to improve literacy skills, including comprehension, fluency, and vocabulary.

Comprehension

The ability to understand, process, and integrate information.

Criterion Validity

A measure of how well one variable or set of variables predicts an outcome based on some criterion measure.