MAT 1272 Statistics, SP2014

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  • PE1.7
  • February 26, 2014 at 1:21 pm #13688

    Ezra Halleck
    Participant

    The ages of five employees of a company are 47, 28, 55, 41, and 52 years. Find:
    a. sum(x)
    b. sum(x – 6)
    c. (sum(x))2
    d. sum(x2)
    e. mean
    f. median
    g. sample standard deviation

    February 26, 2014 at 6:38 pm #17587

    Leonardo Calegare
    Participant

    The answers are in the Word file. I did so I could use formulas.

    March 2, 2014 at 1:42 pm #17607

    Ezra Halleck
    Participant

    Great work Leonardo!

    March 4, 2014 at 9:27 pm #17692

    Caroline Carreño
    Participant

    a) 223 years

    b) 193 years

    c) 49729 years

    d) 44.6 years old

    e) 47 years old

    f) 10.69 years

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