b) The frequency distribution table below represents the diameter of the heads of different screws (in millimetres). Classes Frequency 30 - 33 34 - 37 38 - 41 42 - 45 46 - 49 50 - 53 12 5 17 10 13 5 Calculate the mean and estimate the median and mode for the above grouped data.

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b) The frequency distribution table below represents the diameter of the heads of different screws
(in millimetres).
Classes
Frequency
30 - 33
12
34 - 37
5
38 - 41
42 - 45
17
10
46 - 49
13
50 - 53
5
Calculate the mean and estimate the median and mode for the above grouped data.
Transcribed Image Text:b) The frequency distribution table below represents the diameter of the heads of different screws (in millimetres). Classes Frequency 30 - 33 12 34 - 37 5 38 - 41 42 - 45 17 10 46 - 49 13 50 - 53 5 Calculate the mean and estimate the median and mode for the above grouped data.
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