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Question
- Find the mean of 7, 11, 6, 5 and 6.
- If each number given in (a) is diminished by 2; find the new value of mean.
Solution
a. The mean of 7, 11, 6, 5 and 6
`barx = (7 + 11 + 6 + 5 + 6)/5`
= `35/5`
= 7
b. If we subtract 2 from each number, then the mean will be 7 – 2 = 5
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