Convert the following data into less than and more than series X F 40-50 5 50-60 10 60-70 20 70-80 9 80-90 6

Less than series:

X

f

Less Than Series

c.f.

40-50

5

Less Than 50

5

50-60

10

Less Than 60

15 (=10+5)

60-70

20

Less Than 70

35 (=20+10+5)

70-80

9

Less Than 80

44 (=9+20+10+5)

80-90

6

Less Than 90

50 (=6+9+20+10+5)

 

More than series:

X

f

More Than Series

c.f.

40-50

5

More Than 40

50 (=5+10+20+9+6)

50-60

10

More Than 50

45 (=10+20+9+6)

60-70

20

More Than 60

25 (=20+9+6)

70-80

9

More Than 70

15 (=9+6)

80-90

6

More Than 80

6

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