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प्रश्न
Using the following frequency table.
| Marks (obtained out of 10) | 4 | 5 | 7 | 8 | 9 | 10 |
| Frequency | 5 | 10 | 8 | 6 | 12 | 9 |
The frequency of more than 8 marks is 21.
पर्याय
True
False
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उत्तर
This statement is True.
Explanation:
Frequency of marks 9 = 12
Frequency of marks 10 = 9
⇒ Frequency of marks more than 8 = 12 + 9
⇒ Frequency of marks more than 8 = 21
Therefore, the frequency of more than 8 marks is 21.
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संबंधित प्रश्न
If class mark is 10 and class width is 6 then find the class.
If the classes are 0-10, 10-20, 20-30... then in which class should the observation 10 be included?
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Observe the given frequency table to answer the following:
| Class Interval | 20 - 24 | 25 29 | 30 - 34 | 35 - 39 | 40 - 44 | 45 - 49 |
| Frequency | 6 | 12 | 10 | 15 | 9 | 2 |
a. The true class limits of the fifth class.
b. The size of the second class.
c. The class boundaries of the fourth class.
d. The upper and lower limits of the sixth class.
e. The class mark of the third class.
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Size of the class 150 – 175 is ______.
The difference between the upper and lower limit of a class interval is called the ______ of the class interval.
In the class intervals 10 – 20, 20 – 30, etc., respectively, 20 lies in the class ______.
The class size of the class interval 60 – 68 is 8.
