Advertisements
Advertisements
Question
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%
Advertisements
Solution
New Mean = Original mean + 25% of original mean
⇒ New mean = 12 + 25% of 12
⇒ New mean = 12 +`25/100 xx 12`
⇒ New mean = 12 + `1/4 xx12`
⇒ New mean = 12 + 3
⇒ New mean = 15
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.
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.
Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if each of the observations, given above, be: decreased by 40%
The heights (in cm) of the volleyball players from team A and team B were recorded as:
Team A: 180, 178, 176, 181, 190, 175, 187
Team B: 174, 175, 190, 179, 178, 185, 177
Which team had a greater average height?
Find the median of team A and team B.
The mean of 10 numbers is 24. If one number is included, the new mean is 25. Find the included number.
For the set of numbers given below, find mean: 5, 7, 8, 4, 6
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.
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 increased by 5
