The total number of observations in the following distribution table is 120 and their mean is 50. Find the value of missing frequencies `f_(1) and f_(2)` :
A
`f_(1)=22 and f_(2)=24`
B
`f_(1)=28 and f_(2)=24`
C
`f_(1)=28 and f_(2)=25`
D
None
Text Solution
Verified by Experts
The correct Answer is:
B
Topper's Solved these Questions
STATISTICS
NAGEEN PRAKASHAN ENGLISH|Exercise Revision Exercise Short Answer Questions|5 Videos
SOME APPLICATIONS OF TRIGONOMETRY
NAGEEN PRAKASHAN ENGLISH|Exercise Long Answer Questions|5 Videos
TRIANGLES
NAGEEN PRAKASHAN ENGLISH|Exercise Revision Exercise Long Questions|1 Videos
Similar Questions
Explore conceptually related problems
The total number of observations in the following distribution tale is 120 and their mean is 50. Find the values of missing frequencies f_(1) and f_(2)
The mean of the following distribution is 62.8 and the sum of all the frequencies is 50. Find the missing frequencies f_(1) and f_(2)
The mean of the following frequency distribution is 57.6 and the sum of the observations is 50. Find the missing frquencies f_(1) and f_(2) :
In the following table sumf=200 ad mean =73. Find the missing frequencies f_(1) , and f_(2)
If the mean of the following distribution is 6, find the value of p
If the mean of the following distribution is 24, find the value of 'a'.
If the mean of the following distribution is 3 find the value of p.
Find the mean for the following distribution table by short cut method:
Find the value of if the mean of the following distribution is 7.5
The mean of the following frequency distribution is 21 1/7 . Find the value of f
NAGEEN PRAKASHAN ENGLISH-STATISTICS -Revision Exercise Long Answer Questions
