Question

Q36. The following table shows the weights of the students of a class. Find 3 points
the mean weight. *
25
28
30
32
33
Weight (in
kg)
Number of
Students
5
4
6
3
2
O 28 kg
0 27 kg
0 27.6 kg
0 28.6 kg​

Answer 1

mean weight of the students is 28.6kg

Step-by-step explanation:

X. Y. XY

25. 5. 125

28. 4. 112

30. 6. 180

32. 3. 96

33. 2. 66

mean weight=sum of xy÷no.of students

=579÷20

=28.95

=28.6kg(approximately)