Question

If the height of 5 persons are 140 cm, 150 cm, 152 cm, 158 cm and 160 cm then what will be
the mean height?



(Solution on paper)

Answer 1

Mean = sum of height/no of people
140+150+152+158+160=760
760/5=152
Therefore mean height is 152 cm

Answer 2

mean height =average of height of 5 persons

=140+150+152+158-+160/5 cm=760/5 cm=152cm²