Further Mathematics Paper 2, WASSCE (PC 2ND), 2022

Question 5

 

The table shows the distribution of weights(N) of students in a class.


Weights (N)

40 - 46

47 - 53

54 - 60

61 - 67

68 - 74

75 - 81

82 - 88

89 - 95

Frequency

5

2

3

8

7

6

8

1

Using an assumed mean of 71, calculate, correct to one decimal place, the mean weight of the students.

Observation