The mean of 12 observations is 15. One more observation is included and the new mean becomes 16. The 13th observation is

The value of P + Q in the following table is-

The heights of Arun’s family members are given in cm’s as 165, 180, 181, 163, 172, 180, 162 The median height of the family will be

In the following frequency table, the value of H will be

If the score of five students is 8,7,9,16,25, then their mean deviation will be.

The mean of four different observations is 17.5. When a new observation whose value 20 is added, what will be the new mean?   

A set of data is given. The mean of the set is 35 while the median is set as 60. Find the mode of the data.

Runs scored by Rohit sharma in some 3 test Matches against Pakastian are as follows 101, 126, 32, 38, 52, and 40. Find median of the given scores.