Advertisements
Advertisements
प्रश्न
Find the mean of all factors of 10.
उत्तर
All factors of 10 are - 1, 2, 5,10
∴ Mean = `"Sum of factors"/"Total factors"`
= `(1+ 2 + 5 +10)/4`
=`18/4`
=`9/2`
= 4.5
∴ Mean = 4.5
APPEARS IN
संबंधित प्रश्न
Find the mean salary of 60 workers of a factory from the following table:-
| Salary (in Rs) | Number of workers |
| 3000 | 16 |
| 4000 | 12 |
| 5000 | 10 |
| 6000 | 8 |
| 7000 | 6 |
| 8000 | 4 |
| 9000 | 3 |
| 10000 | 1 |
| Total | 60 |
If the median of 33, 28, 20, 25, 34, x is 29, find the maximum possible value of x.
If the median of the scores 1, 2, x, 4, 5 (where 1 < 2 < x < 4 < 5) is 3, then find the mean of the scores.
The arithmetic mean and mode of a data are 24 and 12 respectively, then find the median of the data.
For the set of numbers 2, 2, 4, 5 and 12, which of the following statements is true?
The mean of nine numbers is 77. If one more number is added to it then the mean increases by 5. Find the number added in the data.
To draw a histogram to represent the following frequency distribution:
| Class interval | 5 – 10 | 10 – 15 | 15 – 25 | 25 – 45 | 45 – 75 |
| Frequency | 6 | 12 | 10 | 8 | 15 |
the adjusted frequency for the class 25 – 45 is:
If the mean of the observations: x, x + 3, x + 5, x + 7, x + 10 is 9, the mean of the last three observations is ______.
Median of the following numbers: 4, 4, 5, 7, 6, 7, 7, 12, 3 is ______.
Mean of 50 observations was found to be 80.4. But later on, it was discovered that 96 was misread as 69 at one place. Find the correct mean.
