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19 October, 12:45

1. Find the mean and range of the following data.

14, 14, 15, 15, 16, 15, 15, 16

A 15; 2

B 15; 15

C 12; 15

D 12; 2

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Answers (1)
  1. 19 October, 13:33
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    Option A) 15; 2

    Step-by-step explanation:

    The mean is the average of the numbers.

    The mean is sum of terms/number of terms

    [Here terms means the data]

    = 14+14+15+15+15+15+16+16/8

    = 120/8

    = 15

    The range of a set of data is the difference between the highest and lowest values in the set. To find the range, subtract the smallest value from the largest value in the set.

    Smallest = 14

    Greatest = 16

    Therefore range=

    16-14

    = 2
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