5. In an aptitude test, the data on score obtained by 160 candidates are as follows. Find D, and P55 : Score. No. of c

Question

5. In an aptitude test, the data on score obtained by 160
candidates are as follows. Find D, and P55 :
Score. No. of candidates more than’
90 0
80 4
70 10
60 23
50 48
40 100
30 138
20 160

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Savannah 2 months 2021-08-13T13:50:12+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-08-13T13:52:01+00:00

    Step-by-step explanation:

    Scores Number of shooters Cumm. Values

    0−10 9 9

    10−20 13 22

    20−30 20 42

    30−40 26 68

    40−50 30 98

    50−60 22 120

    60−70 15 135

    70−80 10 145

    80−90 8 153

    90−100 7 160

    Number of shooters, obtained more than 85 percent is 160−153=7.

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