9)
Hence 3rd option is the correct option.
10)
Score | f | X | fX |
50-59 | 15 | 54.5 | 817.5 |
60-69 | 6 | 64.5 | 387 |
70-79 | 5 | 74.5 | 372.5 |
80-89 | 9 | 84.5 | 760.5 |
90-99 | 5 | 94.5 | 472.5 |
TOTAL | 40 | 2810 |
We know, Mean =
Hence 4th option is the correct option.
QUESTION9 1 polnts Find the mildrange for the glven sample data. Bill kept track of the...
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