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statistics

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List below are the duration (in hours) of
a simple random sample of all flights of
a space shuttle program. Find the range, variance, and standard deviation for the sample data. Is the lowest duration time
unusual? Why or hwy not? 73 95 238 199 166
268 198 374 260 235 382 339 227 2400

  • statistics -

    Range = highest value -lowest value

    Range = 2400-73

    Range = 2327
    Variance = 343044.49
    Standard deviation = 585.7

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