Yahoo Answers is shutting down on 4 May 2021 (Eastern Time) and the Yahoo Answers website is now in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

? asked in Science & MathematicsMathematics · 1 week ago

Statistics?

Attachment image

2 Answers

Relevance
  • 1 week 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
    1 week 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. 

Still have questions? Get answers by asking now.