Advertisements
Advertisements
Question
The mean of 16 natural numbers is 48. Find the resulting mean, if each of the number is decreased by 10%
Advertisements
Solution
Mean = 48
Total numbers = n = 16
Therefore,
Resulting mean (when each number is decreased by 10%)
= 48 - 10% = 48
= 48 - 4.8
= 43.2.
APPEARS IN
RELATED QUESTIONS
Find the median of: 25, 16, 26, 16, 32, 31, 19, 28 and 35
The average of n numbers x1, x2, x3 ….. xn is A. If x1 is replaced by ( x+ α )x1, x2, is replaced by ( x+ α )x2 and so on.
Find the new average.
The mean of 10 numbers is 24. If one number is included, the new mean is 25. Find the included number.
Find the mean and median of all the positive factors of 72.
For the set of numbers given below, find mean: 3, 0, 5, 2, 6, 2
Calculate man of the following: 4, 6, 6, 6, 7, 7, 7, 7, 8, 8, 9, 9, 11, 3
Individual scores of a school cricket eleven in a match are given below:
10, 9, 31, 45, 0, 4, 8, 15, 12, 0, 6
Find the average score.
A test out of 25 marks was given to 16 students and marks scored are recorded below: 25, 8, 14, 20, 16, 22, 10, 15, 8, 7, 24, 18, 19, 6, 11, 14
In the report, marks were entered out of 50. What is the mean of the recorded marks in the report?
The mean of 16 natural numbers is 48. Find the resulting mean, if each of the number is increased by 50%
The mean of 200 observations is 20. It is found that the value of 180 is wrongly copied as 280. Find the actual mean.
