In a physics test student scored the following marks. 72 50 43 58 62 49 69 60 84 62 55 89 67 92 81 75 63 77...

In a physics test student scored the following marks.
72 50 43 58 62 49 69 60 84 62 55
89 67 92 81 75 63 77 95 65 54 35
45 73 41 56 50 36 49 58 61 85
38 64 76 78 51 43 72 37 62 55
(a) Using a class width of 10 and 35-44 as the first class, make a frequency table of the grouped data.
(b) Estimate
(i) the mean
(ii) the median

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sharon kalunda answered the question on August 16, 2019 at 11:11

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