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In some families in a colony the daily purchase of milk in litre is 1, 3, 2, 2, 4, 1, 2, 2, 1. Find the mean, median and mode of daily purchase of milk. |
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Answer» Mean = (1 + 3 + 2 + 2 + 4 +1 + 2 + 2 + 1) / 9 = 18 / 9 = 2 Acending order is 1, 1, 1, 2, 2, 2, 2, 3, 4 The number at middle place is 2. ∴ Median = 2 The number repeated maximum number of times is 2. ∴ the mode is 2. |
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