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प्रश्न
The Empirical relation between the three measures of central tendency is ______.
विकल्प
Mode = 3 Mean – 2 Median
Mode = 2 Median – 3 Mean
Mode = 2 Mean – 3 Median
Mode = 3 Median – 2 Mean
उत्तर
The Empirical relation between the three measures of central tendency is Mode = 3 Median – 2 Mean.
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संबंधित प्रश्न
What do you understand by the word “statistics” in
(i) Singular form
(ii) Plural form?
Describe some fundamental characteristics of statistics.
Which of the two – the primary or the secondary data – is more reliable and why?
Explain the meaning of the term Class-integral.
Explain the meaning of the term Class-size.
Explain the meaning of the term Class-mark.
Explain the meaning of the term Class limits.
Explain the meaning of the term Frequency.
Define cumulative frequency distribution.
Find the mean, median and mode of the following data
| Class | 0 – 20 | 20 – 40 | 40 – 60 | 60 – 80 | 80 – 100 | 100 – 120 | 120 – 140 |
| Frequency | 6 | 8 | 10 | 12 | 6 | 5 | 3 |
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.
Find the class marks of classes 10 -25 and 35 – 55.
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?
The observation 29, 32, 48, 50, x, x+2, 72, 78, 84, 95 are arranged in ascending order. What is the value of x if the median of the data is 63?
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.`
Define primary data and secondary data.
Explain the meaning of the following terms: Variate
The times, in seconds, taken by 150 athletes to run a 110 m hurdle race are tabulated below:
| Class | 13.8 – 14 | 14 – 14.2 | 14.2 – 14.4 | 14.4 – 14.6 | 14.6 – 14.8 | 14.8 – 15.0 |
| Frequency | 2 | 4 | 5 | 71 | 48 | 20 |
The number of athletes who completed the race in less than 14.6 seconds is:
