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? asked in Science & MathematicsMathematics · 2 weeks ago

Statistics?

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2 Answers

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  • 2 weeks ago

    X + Y   mean: 43; variance: 149; standard deviation: 12.21

    2X + Y mean: 63; variance: 449; standard deviation: 21.19

    X - 3Y  mean: -49; variance: 541; std. dev.: 23.26

    6X - 5Y + 40  mean: 45; var: 2375; std. def.: 48.73

  • Anonymous
    2 weeks ago

    No, thanks. I never really cared for statistics, so the three statistics courses I had to take in college were more than enough for me. 

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