|
If the mean of x1, x2, x3, …., x10 is 20, then mean of x1 + 4, x2 + 8, x3 + 12, …., x10 + 40 is |
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|
(a) |
42 |
(b) |
24 |
(c) |
40 |
(d) |
60 |
|
If the mean of x1, x2, x3, …., x10 is 20, then mean of x1 + 4, x2 + 8, x3 + 12, …., x10 + 40 is |
|||||||
|
(a) |
42 |
(b) |
24 |
(c) |
40 |
(d) |
60 |