Question

The average weight of class of 20 students is 48 kg.two more students weighing 60 kg and 58 kg respectively join the class what is the average weight of the class now

Answer 1

60kg+58kg =118kg

118kg / 2 =59kg

59kg +48kg =107kg

107kg /2= 53.5

53.5 is your answer hope this helped mark brainliest plz

Answer 2

Answer:

Mean = Sum of all observations / Total no. of observation

Let the sum be 'x'

48 = x/20

x = 48 x 20 = 960

Sum of weight of 20 students = 960

22 students = 960 + 58 + 60

22 students = 1078

Mean = 1078/22 = 49

Mean weight of the class is 49 kg

the mean weight of a class of 20 students is 48 kg . 2 more students weighing 60 kg and 58 kg -