Mathematics
Construct a frequency table from the following data :
| Marks | No. of students |
|---|---|
| less than 10 | 6 |
| less than 20 | 15 |
| less than 30 | 30 |
| less than 40 | 39 |
| less than 50 | 53 |
| less than 60 | 70 |
Related Questions
Assertion (A): 30 children were asked about the number of hours they watched TV program everyday. The results are recorded as under.
Number of hours Frequency 0 - 5 8 5 - 10 16 10 - 15 4 15 - 20 2 Then the number of children who watched TV for 10 or more hours a day is 22.
Reason (R): The assertion is not correct as the required number is 4 + 2 = 6.
A is true, but R is false.
A is false, but R is true.
Both A and R are true, and R is the correct reason for A.
Both A and R are true, and R is the incorrect reason for A.
Construct the frequency distribution table from the following cumulative frequency table:
Ages No. of students Below 4 0 Below 7 85 Below 10 140 Below 13 243 Below 16 300 (i) State the number of students in the age group 10-13.
(ii) State the age-group which has the least number of students.
Fill in the blanks in the following table:
Class Interval Frequency Cumulative Frequency 25 - 34 …………… 15 35 - 44 …………… 28 45 - 54 21 …………… 55 - 64 16 …………… 65 - 74 73 75 - 84 12 ……………