Advertisements
Advertisements
प्रश्न
The mean of the values 11, 12, 13, 14 and 15 is
विकल्प
15
11
12.5
13
Advertisements
उत्तर
13
Explanation:
Mean = `(11 + 12 + 13 + 14 + 15)/5 = 65/5` = 13
APPEARS IN
संबंधित प्रश्न
The monthly incomes of 8 families in rupees in a certain locality are given below. Calculate the mean, the geometric mean and the harmonic mean and confirm that the relations among them holds true. Verify their relationships among averages.
| Family: | A | B | C | D | E | F | G | H |
| Income (Rs.): | 70 | 10 | 50 | 75 | 8 | 25 | 8 | 42 |
Which of the following is positional measure?
When an observation in the data is zero, then its geometric mean is __________.
The harmonic mean of the numbers 2, 3, 4 is:
The correct relationship among A.M., G.M. and H.M. is
Harmonic mean is the reciprocal of _________
The median of 10, 14, 11, 9, 8, 12, 6 is
Find out the GM for the following.
| Yield of Rice (tones) | No. of farms |
| 7.5 - 10.5 | 5 |
| 10.5 - 13.5 | 9 |
| 13.5 - 16.5 | 19 |
| 16.5 - 19.5 | 23 |
| 19.5 - 22.5 | 7 |
| 22.5 - 25.5 | 4 |
| 25.5 - 28.5 | 1 |
The sum of deviations of all observations from the arithmetic mean of a dataset is always ______.
If each value in a dataset is increased by the same constant, what happens to the mean and median?
