1. Find the mean of the following data :
i) 3, 5, 3, 4, 2, 0, 7, 10.
ii) First 8 whole numbers.
iii) First 5 multiples of 3.
2. Find the median of the following data :
i) 9, 3, 20, 13, 0, 7 and 10
ii) 15, 16, 10, 9, 8 and 14
3. The mean of 8, 11, 6, 14, x and 13 is 66. Find the value of the observation x.
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