Advertisements
Advertisements
Question
The mean of a certain number of observations is 32. Find the resulting mean, if the observation is, divided by 0.5
Solution
Observed mean = 32
Divided by = 0.5
∴ Resulting mean = `32/0.5=64`
APPEARS IN
RELATED QUESTIONS
The median is always one of the numbers in a data.
The distribution given below shows the marks obtained by 25 students in an aptitude test. Find the mean, median and mode of the distribution.
| Marks obtained | 5 | 6 | 7 | 8 | 9 | 10 |
| No. of students | 3 | 9 | 6 | 4 | 2 | 1 |
If the mean of 6, 4, 7, ‘a’ and 10 is 8. Find the value of ‘a’
Following 10 observations are arranged in ascending order as follows.
2, 3, 5, 9, x + 1, x + 3, 14, 16, 19, 20
If the median of the data is 11, find the value of x.
Find the mean of first 10 prime numbers.
The median of observations 10, 11, 13, 17, x + 5, 20, 22, 24 and 53 (arranged in ascending order) is 18; find the value of x.
The mean of marks scored by 100 students was found to be 40, later on, it was discovered that a score of 53 was misread as 83. Find the correct mean.
Find the median of 18, 19, 20, 23, 22, 20, 17, 19, 25 and 21
Find the mean of: 7, 10, 4 and 17
Find the mean and the median of: 10,12, 12, 15, 15, 17, 18, 18, 18 and 19
