Question

If sum of the deviation measured from assumed mean of a group 10 is +50 and assumed mean is 20, what will be the actual mean.

Answer 1

Answer:

The "median" is the "middle" value in the list of numbers. To find the median, your numbers have to be listed in numerical order from smallest to largest, so you may have to rewrite your list before you can find the median. The "mode" is the value that occurs most often.

Answer 2

Answer:

Step 1: Assume any one value as a mean which is called arbitrary average (A).

Step 2: Find the difference (deviations) of each value from arbitrary average.

Step 3: Add all differences to get ∑ d.

Step 4: Use following equation and compute the mean value. X ¯ = A + ∑ d n.