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प्रश्न
Explain the meaning of the term Frequency.
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उत्तर
Frequency: The number of observations corresponding to class is called its frequency.
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संबंधित प्रश्न
What do you understand by the word “statistics” in
(i) Singular form
(ii) Plural form?
What secondary data?
Explain the meaning of the term Class-mark.
Explain the difference between a frequency distribution and a cumulative frequency distribution.
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.` |
The monthly income of 100 families are given as below :
| Income in ( in ₹) | Number of families |
| 0-5000 | 8 |
| 5000-10000 | 26 |
| 10000-15000 | 41 |
| 15000-20000 | 16 |
| 20000-25000 | 3 |
| 25000-30000 | 3 |
| 30000-35000 | 2 |
| 35000-40000 | 1 |
Calculate the modal income.
Explain the meaning of the following terms: True Class Limits
Class mark of a class is obtained by using ______.
As the number of tosses of a coin increases, the ratio of the number of heads to the total number of tosses will be `1/2`. Is it correct? If not, write the correct one.
Find the range of given data: 46, 35, 78, 90, 20, 56, 45, 76.
