Question

20,30,40,50,60,70,80 the mean of the number set is

Answer 1

50

Explanation:

Mean means average number which sum of all numbers divided how many numbers we are investigating

We are investigating 7 numbers

The total sum of these numbers are:

20 + 30 + 40 +50+ 60+70+80= 350

Mean = 350/7= 50

Answer 2

Mean is 50

Explanation:

20 + 30 + 40 + 50 + 60 + 70 + 80 = 350

350 / 7 = 50