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The masses of 60 insects were measured. The results, correct to the nearest gram, are summarised in the following table. Mass 10 - 14 15

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The masses of 60 insects were measured. The results, correct to the nearest gram, are summarised in the following table. Mass 10 - 14 15 -19 20 -24 25 -29 30 -34 35 -39 Frequency co (a) Calculate the mean, median and standard deviation. 5 marks (b) Construct a histogram of the data and hence, estimate the mode. 4 marks

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