a A data of 10 observations has a minimum value 15 and maximum value 25. What is the mean of the data? (1) 12 (ii) 15 (ii) 21 (iv) 27 Observations of a data are 23, 45, 33, 21, 48, 30, 34, 36 and 35. Without actual calculation choose the mean of the data. 1) 20 (ii) 35 (iii) 48 (iv) 50
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the mean of data is 15, 35
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