How do you find the mean of 5 values?

As a general rule of thumb, to find the mean of a given set of numbers:

add up all the numbers youve been given and divide by the number of values you have.

e.g.

Find the mean of these values: 5, 10, 8, 9, 20.

so add them up:  5+10+8+9+20 = 52

and divide by the number of values : 52/5 = 10.4

if your mean value has to be one of the given values and not somewhere inbetween then round to the nearest, here it would be 10.

OP
Answered by Olivia P. Maths tutor

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