Chapter 6 Flashcards

1
Q

evaluate how widely values are distributed

A

Measures of dispersion (variability)

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2
Q

the mean difference between observations and the mean

A

standard deviation

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3
Q

the average squared difference between observations and the

mean and simply the standard deviation squared

A

variance

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4
Q

used to infer

characteristics of a population based on a sample

A

inferential statistics

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5
Q

the mean of the summed absolute

differences

A

mean absolute deviation (MAD)

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