Answer 1 :

Daily income in Rupees

100-120

120-140

140-160

160-180

180-200

Number of workers

12

14

8

6

10

Answer 2 :

Weight in kg

Number of students

Less than 38

0

Less than 40

3

Less than 42

5

Less than 44

9

Less than 46

Less than 48

28

Less than 50

32

Less than 52

35

Draw a less thantype ogive for the given data. Hence obtain the median weight from the graphand verify the result by using the formula.