The table shows the weights of 100 children in class 1.
An estimate of the mean weight of the children is calculated as 44 kg.
Calculate the values of a and b.
w (kg) Frequency60 < w < 70 b
20 < w <30 12
30 < w < 40 21
40 < w < 50 38
50 < w < 60 a
Answer a = ........................... , b = ...........................
ps last < should be greater OR equal to
How do I go about starting the problem?
Regards