Advertisements
Advertisements
Question
Find the mean of: 2.1, 4.5, 5.2, 7.1 and 9.3
Solution
Mean of 2.1, 4.5, 5.2, 7.1 and 9.3
Required mean = `"Sum of data values"/"No. of. data values"`
`= (2.1 + 4.5 + 5.2 + 7.1 + 9.3)/5`
`= 28.2/5 = 5.64`
APPEARS IN
RELATED QUESTIONS
Marks obtained (in mathematics) by 9 students are given below:
60, 67, 52, 76, 50, 51, 74, 45 and 56
- Find the arithmetic mean.
- If marks of each student be increased by 4; what will be the new value of arithmetic mean?
For the following set of data, find the median:
10, 75, 3, 81, 17, 27, 4, 48, 12, 47, 9 and 15.
Find the median of the following:
11, 8, 15, 5, 9, 4, 19, 6, 18
Find the mean of all factors of 10.
The mean of a certain number of observations is 32. Find the resulting mean, if the observation is, multiplied by 2
Find the median of 3.6, 9.4, 3.8, 5.6, 6.5, 8.9, 2.7, 10.8, 15.6, 1.9 and 7.6.
The mean of 18, 28, x, 32, 14 and 36 is 23. Find the value of x. Sum of data
Find the median of 80, 48, 66, 61, 75, 52, 45 and 70
If the median of a, 2a, 4a, 6a, 9a is 8, then find the value of a is
In a given data, arranged in ascending or descending order, the middle most observation is called ______.