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 |