The frequency distribution of the length of a sample of 98 nails is presented in Table 2.11
Question:
The frequency distribution of the length of a sample of 98 nails is presented in Table 2.11 (measured to the nearest 0.1 mm).
(a) Find the mean length of this sample by hand and by using a spreadsheet.
(b) Construct the cumulative frequency graph and use this to estimate the median.
(c) Check the value of the median using the formula method.
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