The mean of the observations x+5,x+3,x+11,and | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The mean of a set of observations is calculated by dividing the sum of all observations by the total number of observations.Sum of observations =

Vedclass · Accepted Answer

$x+5$

Vedclass · Answer

(A) The mean of a set of observations is calculated by dividing the sum of all observations by the total number of observations.Sum of observations = $(x+5) + (x+3) + (x+11) + (x+1)$Sum = $4x + (5+3+11+1) = 4x + 20$Total number of observations = $4$Mean = $\frac{	ext{Sum of observations}}{	ext{Total number of observations}}$Mean = $\frac{4x + 20}{4}$Mean = $\frac{4(x + 5)}{4} = x+5$Therefore,the mean is $x+5$.

The mean of the observations $x+5$,$x+3$,$x+11$,and $x+1$ is ..........

Similar Questions

After arranging the observations in ascending or descending order,the observation which is obtained in the middle is called .............. of the data.

The median of the first ten natural numbers is .........

In the figure,there is a histogram depicting the daily wages of workers in a factory. Construct the frequency distribution table.

$A$ class consists of $50$ students out of which $30$ are girls. The mean of marks scored by girls in a test is $73$ (out of $100$) and that of boys is $71$. Determine the mean score of the whole class.

The mean of $10$ observations is $48$. If each observation is divided by $3$,what will be the new mean?

Vedclass Test Series

Exam Paper Generator

Online Exam Module