Mathematics
Grade6
Easy

Question

Find the mean, median.
24, 31, 12, 38, 12, 15

  1. Mean: 22, median: 19
  2. Mean: 22, median: 19.5
  3. Mean: 21, median: 19.5
  4. Mean: 23, median: 19.5

hintHint:

Mean is the average of the given numbers and is calculated by dividing the sum of given numbers by the total number of numbers.

The median is the middle number in a sorted, ascending or descending list of numbers.

The correct answer is: Mean: 22, median: 19.5


    Arranging the data in the increasing order we get.

    24, 31, 12, 38, 12, 15

    12, 12, 15, 24, 31, 38

    Mean = fraction numerator space space 12 plus space 12 plus space 15 plus space 24 plus space 31 plus space 38 over denominator 6 end fraction space equals 132 over 6 space equals space 22

    The median of the data with 6 elements (i.e even) is the average of the 3rd and 4th elements.

    Median = fraction numerator 15 plus 24 over denominator 2 end fraction space equals space 19.5
    Therefore, The mean is 22, median: 19.5

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