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Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. Which measure should Shania use to find how much the scores on her tests vary, on average, from the mean score? mode mean absolute
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Jul 7, 2018
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Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. Which measure should Shania use to find how much the scores on her tests vary, on average, from the mean score?
mode
mean absolute deviation
interquartile range
mean
Mathematics
middle-school
Nirvik Baruah
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She should use Mean. This is where you add all of the numbers, then divide it by the number of numbers. Her average score is 80.75, or rounded to 81.
LittlePanda
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Jul 10, 2018
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The standard deviation tells you how much the the value is, on average, away from the mean. It may be called mean absolute deviation in your text.
Xetorthio
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Jul 13, 2018
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