Question

Find the mean weight of 50 boys from the following data:
Weight ( in kg ) 50,52,54,56,60
No.of boys(frequency) 6,8,15,14,7

Answer 1

Answer:

54.6 kg

Step-by-step explanation:

mean (average) weight = total weight / no. of students

Mean =

(50*6+52*8+54*15+56*14+60*7)/(6+8+15+14+7)

(300+416+810+784+420)/50 =2730/50= 54.6 kg