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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
What do you understand by the word “statistics” in
(i) Singular form
(ii) Plural form?
What is primary data?
Explain the meaning of the term Variable.
Find the mean, median and mode of the following data:
| Marks obtained | 25 - 35 | 35 – 45 | 45 – 55 | 55 – 65 | 65 – 75 | 75 - 85 |
| No. of students | 7 | 31 | 33 | 17 | 11 | 1 |
The following table gives the daily income of 50 workers of a factory:
| Daily income (in Rs) | 100 – 120 | 120 – 140 | 140 – 160 | 160 – 180 | 180 – 200 |
| No. of workers | 12 | 14 | 8 | 6 | 10 |
Find the mean, median and mode of the above data.
The table below shows the daily expenditure on food of 30 households in a locality:
| Daily expenditure (in Rs) | Number of households |
| 100 – 150 | 6 |
| 150 – 200 | 7 |
| 200 – 250 | 12 |
| 250 – 300 | 3 |
| 300 – 350 | 2 |
Find the mean and median daily expenditure on food.
The distribution X and Y with total number of observations 36 and 64, and mean 4 and 3 respectively are combined. What is the mean of the resulting distribution X + Y?
Which of the following is not a measure of central tendency?
Explain the meaning of the following terms: True Class Limits
Can the experimental probability of an event be a negative number? If not, why?
