Question

6. The weights of 20 students of a class were as follows.
Weight (in kg)
40 42 45
46
48
Total
Number of students
4
2
6
5
3
20
Find the mean weight.
.
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Answer 1

Answer:

44.4 kg

Step-by-step explanation:

Weight(in kg). Total no.

of students

40 4 40×4=160

42 2 42×2= 84

45 6 45×6=270

46 5 46×5=230

48 3 48×3=144

total 20 888

Mean weight = 888/20 = 44.4 kg