The heights (in cm) of 30 students of a class are given below:
161, 155, 159, 153, 150, 158, 154, 158, 160, 148, 149, 162, 163, 159, 148, 153, 157, 151, 154, 157, 153, 156, 152, 156, 160, 152,147,155,155,157.
Prepare a frequency table as well as a cumulative frequency table with 160-165 (165 not included) as one of the class intervals.
145-150 | 1111 | 4 |
150-155 | 11111 1111 | 9 |
155-160 | 11111 11111 11 | 12 |
160-165 | 11111 | 5 |
Total = 30 |