[" If the mean of "25" observations is "27" and each "],[" by "7" ,what will be the new mean? "]

If the mean of 25 obseviations is 27 and each observiations is decreased by 7 what will be the new mean ?

Choose the correct option. If the mean of x observation is p and each observation is multiplied by k. Then the new mean will be

The mean of 15 observation is 23. If each obsevation is multiplied 2, then new mean is .

The mean of 18 observation is 7 and if each observation 5 is added,then the new mean will be

The mean of 7 observations is 7. If each observation is increased by 2, then the new mean is

The mean of 20 observations is 45. If each observation is divided by 3, the new mean is 15

The mean of 8 numbers is 25. if 5 is subtracted from each number, what will be the new mean ?

The mean of 10 observations is 5. If 2 is added to each observation and then multiplied by 3, then what will be the new mean?

Mean of 20 observations is 17. If observation 40 is replaced by 12, then the new mean is