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प्रश्न
Explain the meaning of the term Class limits.
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उत्तर
Class limits: Each class is bounded by two figures, called the class limits. The figures
on the left side of the classes are called lower limits while figures on the right side are
called upper limits.
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संबंधित प्रश्न
Explain the meaning of the term Class-integral.
Explain the meaning of the term Class-size.
Explain the meaning of the term Class-mark.
Define cumulative frequency distribution.
In a class test, 50 students obtained marks as follows:
| Marks obtained |
0 – 20 | 20 – 40 | 40 – 60 | 60 – 80 | 80 – 100 |
| Number of students |
4 | 6 | 25 | 10 | 5 |
Find the modal class and the median class.
In a frequency distribution table with 12 classes, the class-width is 2.5 and the lowest class boundary is 8.1, then what is the upper class boundary of the highest class?
If the median of `x/5, x/4, x/2, x and x/3`, where x > 0, is 8, find the value of x.
| HINT | Arranging the observations in ascending order, we have `x/5, x/4, x/3, x/2, x` Median `= x/3 = 8.` |
Explain the meaning of the following terms: Class mark
Explain the meaning of the following terms: Frequency
The monthly pocket money of ten friends is given below :
₹ 80, ₹ 65, ₹ 35, ₹ 65, ₹ 50, ₹ 30, ₹ 60, ₹ 35, ₹ 65, ₹ 30
What is the highest pocket money?
