Advertisements
Advertisements
Question
Find the mean of 43, 51, 50, 57 and 54.
Advertisements
Solution
The numbers given are 43, 51, 50, 57, 54
The mean of the given numbers will be
= `( 43 + 51 + 50 + 57 + 54 )/ ( 5 )`
= `( 255 ) / ( 5 ) `
= 51
APPEARS IN
RELATED QUESTIONS
Find the mean of the first six natural numbers.
Find the mean of all factors of 10.
Find x if 9, x, 14, 18 x, x, 8, 10 and 4 have a mean of 11.
Find the mean of 75 numbers, if the mean of 45 of them is 18 and the mean of the remaining ones is 13.
The mean of 200 items was 50. Later on, it was discovered that two items were misread as 92 and 8 instead of 192 and 88.
Find the correct mean.
If the mean of observations x, x + 2, x + 4, x + 6 and x + 8 is 11,
find:
(i) The value of x;
(ii) The mean of first three observations.
Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if the observations, given above, be: divided by 2.
The mean monthly salary of 10 members of a group is Rs.1,445, one more member whose monthly salary is Rs.1,500 has joined the group. Find the mean monthly salary of 11 members of the group.
The mean of 40 observations was 160. It was detected on rechecking that the value of 165 was wrongly copied as 125 for computation of mean. Find the correct mean.
The mean of 100 items was found to be 30. If at the time of calculation two items were wrongly taken as 32 and 12 instead of 23 and 11, find the correct mean.
