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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 ________.
Negative
A term used to describe values, numbers, or expressions that are less than zero, often indicating a direction opposite to what is considered positive.
Positive
A term indicating a value greater than zero, or a positive direction or effect.
Sample Mean
The average value of a random sample taken from a population.
Symbols
Characters or marks used to represent objects, quantities, or concepts in various fields like mathematics, music, and art.
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