When 10 is subtracted from each of the given observations, the mean is reduced by 60%. If 5 is added to all the given observations, the mean will be: |
|||||||

(a) |
25 |
(b) |
30 |
(c) |
32 |
(d) |
none of these |

When 10 is subtracted from each of the given observations, the mean is reduced by 60%. If 5 is added to all the given observations, the mean will be: |
|||||||

(a) |
25 |
(b) |
30 |
(c) |
32 |
(d) |
none of these |

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