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quiz: quiz 3 (over hw 3)
ab statisti
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Mathematics, 22.09.2019 04:30 jdchacon117
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quiz: quiz 3 (over hw 3)
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listed below are the arrival delay times in minutes) of randomly selected airplane flights from one airport to another. negative values correspond to flights that arrived
early before the scheduled arrival time, and positive values represent lengths of delays. find the range, variance, and standard deviation for the set of data. some of the
sample values are negative, but can the standard deviation ever be negative?
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the range of the sample data is minutes.
(round to one decimal place as needed)
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the variance of the sample data is minutes
(round to one decimal place as needed.)
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the standard deviation of the sample data is minutes
(round to one decimal place as needed)
some of the sample values are negative, but can the standard deviation ever be negative?
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no, because the squared value in the standard deviation formula can be negative
yes, because the squared value in the standard deviation formula can be negative
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