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10 August, 09:50

Question

If the average (arithmetic mean) of 10 numbers is 5.6, what is the sum of the numbers?

53

54

55

56

+2
Answers (2)
  1. 10 August, 12:20
    0
    56

    Step-by-step explanation:

    Arithmetic mean is simply the sum of the all the number present divide by the total number.

    From the question, we obtained the following information:

    The arithmetic mean = 5.6

    Total number present = 10

    Sum of the numbers = ?

    Arithmetic mean = sum of the numbers / total number

    Sum of the numbers = arithmetic mean x total number

    Sum of the numbers = 5.6 x 10 = 56
  2. 10 August, 13:28
    0
    56

    Step-by-step explanation:

    Average mean = 5.6

    No. Of scores = 10

    Mean = sum of no. / number of scores

    Therefore 5.6 = sum of no. / 10

    Cross multiply

    Sum of no. = 5.6 x 10

    = 56

    The sum of the number is 56
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