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प्रश्न
Explain the meaning of the following terms: Frequency
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उत्तर
Frequency: The number which tells us the number of times the variate appears in a given data is called frequency of the variate.
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संबंधित प्रश्न
Which of the two – the primary or the secondary data – is more reliable and why?
Explain the meaning of the term Frequency.
Explain the difference between a frequency distribution and a cumulative frequency distribution.
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.
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?
Explain the meaning of the following terms: Class mark
Class mark of a class is obtained by using ______.
Can the experimental probability of an event be greater than 1? Justify your answer.
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?
The time, in seconds, taken by 150 athletes to run a 100 m hurdle race are tabulated below:
| Time (sec.) | 13 – 14 | 14 – 15 | 15 – 16 | 16 – 17 | 17 – 18 | 18 – 19 |
| Number of Athletes | 2 | 4 | 5 | 71 | 48 | 20 |
The number of athletes who completed the race in less than 17 seconds is:
