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30 December, 03:37

The following dataset represents the number of registered students for 60 college courses, sorted and arranged in rows of 5. What is the 50th percentile of the data?

5 8 9 9 10

13 18 19 21 24

25 26 28 29 30

33 35 36 43 44

44 45 47 47 51

52 54 54 57 57

57 58 59 59 61

64 68 70 71 74

78 78 79 79 81

82 84 84 86 89

91 91 92 93 95

96 96 98 100 100

+5
Answers (1)
  1. 30 December, 05:18
    0
    57

    Step-by-step explanation:

    There are 60 data altogether.

    Therefore, n=60

    50th percentile = 50% * (n+1)

    =50/100 * (60+1)

    =30.5

    This implies that the 50th percentile is between the 30th and 31st data

    30th data = 57; 31st data = 57

    since they are the same figure, 50th percentage = 57
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