Mathematics
Use the table given below to find :
(a) The actual class limits of the fourth class.
(b) The class boundaries of the sixth class.
(c) The class mark of the third class.
(d) The upper and lower limits of the fifth class.
(e) The size of the third class.
| Class Interval | Frequency |
|---|---|
| 30 - 34 | 7 |
| 35 - 39 | 10 |
| 40 - 44 | 12 |
| 45 - 49 | 13 |
| 50 - 54 | 8 |
| 55 - 59 | 4 |
Related Questions
Find the actual lower class limits, upper class limits and the mid-values of the classes :
10-19, 20-29, 30-39 and 40-49.
Find the actual lower and upper class limits and also the class marks of the classes :
1.1-2.0, 2.1-3.0 and 3.1-4.0.
Construct a cumulative frequency distribution table from the frequency table given below :
(i)
Class Interval Frequency 0 - 8 9 8 - 16 13 16 - 24 12 24 - 32 7 32 - 40 15 (ii)
Class Interval Frequency 1 - 10 12 11 - 20 18 21 - 30 23 31 - 40 15 41 - 50 10 Construct a frequency distribution table from the following cumulative frequency distribution:
(i)
Class Interval Cumulative Frequency 10 - 19 8 20 - 29 19 30 - 39 23 40 - 49 30 (ii)
C.I. C.F. 5 - 10 18 10 - 15 30 15 - 20 46 20 - 25 73 25 - 30 90