Question

if mode = 18 and median = 21 find the value of mean​

Answer 1

3median=mode+2mean

3*21=18+mean

mean=63-18

mean=45

Answer 2

Answer:

If mode = 18 and median = 21, Then 3median=mode+2mean or, 3*21=18 + mean or, mean = 63-18. Hence mean= 45.

There are many kinds of means in case of various branches of Mathematics.

For a data set it is known as the arithmetic mean. It is also referred as the mathematical expectation or average.

It can be called as the central value of discrete set numbers.