Question

mean weight of 10 boys is 170cm.mean height of 6girls is 162cm.find the combined mean.

Answer 1

Mean of 10 boys is 170cm

Height of 10 boys=170*10=1700cm

Mean height of 6 girls=162

Height of 6 girls=6*162

=972

Combined height=972+1700cm

=2672cm

Total number of boys and girls=10+6=16

Mean height=2672/16

=167

Hope you are satisfied with the answer