Arithmetic mean of data x:1 2 3-n,f:1 2 3-n is

Question

Arithmetic mean of data x:1 2 3….n,f:1 2 3….n is

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Kylie 1 month 2021-08-16T20:02:09+00:00 1 Answer 0 views 0

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    2021-08-16T20:03:09+00:00

    Answer:

    (n+1)/2

    Step-by-step explanation:

    sum of ‘n’ natural numbers=n(n+1)/2

    arithmetic mean=sum of all no.s/no. of all numbers

    sum of all no.s=n(n+1)/2

    total no. of numbers=n

    arithmetic mean=[n(n+1)/2]/n

    =n(n+1)/2n

    arithmetic mean=(n+1)/2

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