Question

the heights of 6 boys in a group are 142cm,154cm,146cm,145cm,151cm,150cm,find the mean height per boy.

Answer 1

Step-by-step explanation:

Mean height =

No. of boys

Sum of the height of the all boys

=

6

142+154+146+145+151+150

=

6

888

=148 cm

Hence, the mean height is 148 cm.

Answer 2

Given

• Total no.of boys = 6
• Heights of the boys = (142,154,146,145,151,150) cm

To find

• Mean height per boy

Solution

• Mean = Sum of all observations/Total no.of observations
• Mean = Sum of all heights of the boys/Total no.of boys
• Mean = 142 + 154 + 146 + 145 + 151 + 150/6
• Mean = 888/6
• Mean = 148

☯ Hence, the mean height per boy = 148 cm