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26 December, 02:36

Which of the following best describes the change in the mean when 1213 is

included in the data set below?

34,75, 26, 81, 65, 38, 49

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Answers (1)
  1. 26 December, 02:51
    0
    Given in the information set as

    26, 34, 38, 49, 65, 76, 81

    Sum = 369

    No of entries = 7

    Mean = 52.71

    When 1213 is included

    New sum = 1582

    No of entries = 8

    The new mean will be 197.75

    Thus mean will be increased by 145.04
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