Question

The height of six girls in a group are given 150,141,137,142,138,147 find their mean height

Answer 1

Answer:

142.5

Step-by-step explanation:

HEIGHT OF SIX GIRLS  150,141,137,142,138,147 RESPECTIVELY

formula for finding mean = sum of all observations/ no. of observation

of an observation

                                       =  $\frac{ 150+141+137+142+138+147 }{6}$

                                        = $\frac{855}{6}$

                                         = 142.5

The mean height of six girls is 142.5

hope it helps