The arithmetic mean of $n$ observations is $\bar{x}$. If the sum of $n - 4$ observations is $K$,what is the mean of the remaining observations?
- A$\frac{\bar{x} - K}{4}$
- B$\frac{n\bar{x} - K}{n - 4}$
- C$\frac{n\bar{x} - K}{4}$
- D$\frac{n\bar{x} - (n - 4)K}{4}$
Explore More
Similar Questions
$A$ student obtains $75\%$,$80\%$,and $85\%$ in three subjects. If the marks of a fourth subject are added,then his average cannot be less than.....$\%$
Medium
View SolutionThe geometric mean of the numbers $4, 5, 10, 20, 25$ is .........
Easy
View SolutionThe median of $10, 14, 11, 9, 8, 12, 6$ is
Easy
View SolutionThe upper quartile for the following distribution is given by the size of:
Size of Item $1$ $2$ $3$ $4$ $5$ $6$ $7$ Frequency $2$ $4$ $5$ $8$ $7$ $3$ $2$
| Size of Item | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ |
| Frequency | $2$ | $4$ | $5$ | $8$ | $7$ | $3$ | $2$ |
The observations $29, 32, 48, 50, x, x + 2, 72, 78, 84, 95$ are arranged in ascending order. If their median is $63$,what is the value of $x$?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo