[" The mean of four different observations is 17.5 When a new observation whose value 20 is added,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?

The mean of 10 different observation is 46. If the observation 71 is replaced with 17 the 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 10 observations is 5.5. If each observation is multiplied by 4 and subtracted from 44, then what is the new mean ?

The mean of 10 observation is 15. If one observation 15 is added, then find the new mean.

The mean of 5 observations is 10. If each observation of the data is increased by 5, the new mean is :

The mean of 20 observations is 12 . If each observation is increased by 5 , then find the new mean .

The mean of the data set comprising of 16 observations is 16. If one of the observation valued 16 is deleted and three new observations valued 3, 4 and 5 are added to the data, then the mean of the resultant data, is