The mean of 100 observations is 24. If 4 is added to each of the observations and then each of them is multiplied by 2.5 then new mean is |
|||||||

(a) |
70 |
(b) |
80 |
(c) |
65 |
(d) |
75 |

The mean of 100 observations is 24. If 4 is added to each of the observations and then each of them is multiplied by 2.5 then new mean is |
|||||||

(a) |
70 |
(b) |
80 |
(c) |
65 |
(d) |
75 |

127