Advertisements
Advertisements
Question
The mean of 15 observations is 32. Find the resulting mean, if the observation is: Increased by 60%
Advertisements
Solution
Given that the mean of 15 observations is 32
resulting mean increased by 60%
= 32 + `( 60) / ( 100 ) xx 32`
= 32 + 19.2
= 51.2
APPEARS IN
RELATED QUESTIONS
The mean of 15 observations is 32. Find the resulting mean, if the observation is: Increased by 3
The mean of 15 observations is 32. Find the resulting mean, if each observation is: Multiplied by 2
The mean of 15 observations is 32. Find the resulting mean, if the observation is: Divided by 0.5
Find the median of: 25, 16, 26, 16, 32, 31, 19, 28 and 35
Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if each of the observations, given above, be: increased by 25%
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 6 numbers is 42. If one number is excluded, the mean of the remaining number is 45. Find the excluded number.
The height of 8 students X in centimetres are given below:
148, 162, 160, 154, 170, 162, x, 152
If the mean height is 158, find x.
If the mean of 7, 16, 9, 15, 16, a, 12, 8, b, 11 is 12, write a in terms of b.
The mean of 16 natural numbers is 48. Find the resulting mean, if each of the number is multiplied by 4
