Finding Mode for Grouped Data When Class Intervals Are Given
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Q. Write decimal expansion of 7125.
Q. Test scores out of 100 for a class of 20 students are as follows:
93, 84, 97, 98, 100, 78, 86, 100, 85, 92, 55, 91, 90, 75, 94, 83, 60, 81, 95
Find the modal class.
93, 84, 97, 98, 100, 78, 86, 100, 85, 92, 55, 91, 90, 75, 94, 83, 60, 81, 95
Find the modal class.
- 71−80
- 91−100
- 81−90
- None of these
Q. A school has 300 students. The table below shows the distribution of sizes of bags used by 40 students. Estimate the number of students who need a large sized bag.
- 120
- 25
- 80
- 45
Q. The marks obtained by twenty students are given as follows.
27, 22, 24, 17, 16, 15, 14, 22, 17, 15, 22, 26, 19, 22, 20, 22, 16, 15, 22, 27
Find the modal marks.
27, 22, 24, 17, 16, 15, 14, 22, 17, 15, 22, 26, 19, 22, 20, 22, 16, 15, 22, 27
Find the modal marks.
- 22
- 24
- 26
- 20
Q. The following shows the age distribution of cases of a certain disease admitted during a year in a particular hospital
Age (in Years) | 5-14 | 15-24 | 25-34 | 35-44 | 45-54 | 55-64 |
No. of Cases | 6 | 11 | 21 | 23 | 14 | 5 |
Q. What will be the payment for n hours is rate is Rs 4 per hour?