Question

The following data shows the distribution of total household
expenditure (in <) of workers in a city. Find the mean of the
data.
Expenditure (in
thousands of <)
Number of
workers
10 – 15 24
15 – 20 40
20 – 25 33
25 – 30 28
30 – 35 30
35 – 40 22
40 – 45 16
45 – 50 7
Total 200

Answer 1

Answer:

a piece of a circle between two points is called 'arc'