Question

10. In a city, the weekly observations
made in a study on the cost of living
index are given in the following table:
Cost of living index Number of weeks
140-150
5
150-160
160-170
20
170-180
9
180-190
6
190-200
2
Total
59
Draw a frequency polygon for the above
data (without constructing a histogram).
March 2014​

Answer 1

Answer:

Draw a frequency polygon for the following data without using histogram.Class interval 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60 60 - 70 70 - 80 80 - 90 Frequency ...