Advertisements
Advertisements
Question
The mean of 15 observations is 32. Find the resulting mean, if each observation is: Multiplied by 2
Solution
Given that the mean of 15 observations is 32
resulting mean multiplied by 2
= 32 x 2
= 64
APPEARS IN
RELATED QUESTIONS
The mean of 15 observations is 32. Find the resulting mean, if the observation is: Decreased by 7
Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if the observations, given above, be: multiplied by 3 and then divided by 2.
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 mean of x, x + 2, x + 4, x + 6 and x + 8 is 11, find the mean of the first three observations.
The marks obtained by 10 students are listed below:
2, 5, 3, 8, 0, 9, x, 6, 1, 8
If the mean marks is 5, find x.
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.
In History project, marks out of 20 were awarded to 8 students. The marks were as shown below:
14, 16, 18, 14, 16, 14, 12, 16
Find the mean marks.
The mean of 16 natural numbers is 48. Find the resulting mean, if each of the number is increased by 5
The mean of 16 natural numbers is 48. Find the resulting mean, if each of the number is multiplied by 4
The mean of 16 natural numbers is 48. Find the resulting mean, if each of the number is decreased by 10%