Breakfast cereals from three leading manufacturers can be classified either above average or below average in sugar

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Breakfast cereals from three leading manufacturers can be classified either above average or below average in sugar content. Data for ten cereals from each manufacturer are given below:image text in transcribed

(a) Complete the marginal totals.

(b) Calculate the relative frequencies separately for each row.

(c) Comment on any apparent differences between the cereals produced by the three companies.

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