Question

The mean of x-2a, x-a, x, x + a, x + 2a is
1.
2. 5x
3. a
4. not possible to find unless value of a is given​

Answer 1

Answer:

x

Step-by-step explanation:

(x+x+x+x+x)/5=x

Answer 2

SOLUTION

COMPLETE QUESTION

The mean of x - 2a, x-a, x, x + a, x + 2a is

1. x

2. 5x

3. a

4. not possible to find unless value of a is given

EVALUATION

Here the given observations are

x - 2a, x-a, x, x + a, x + 2a

Number of observations = 5

Sum of the observations

= x - 2a + x - a + x + x + a + x + 2a

= 5x

Hence the required mean

$\displaystyle \sf{ = \frac{5x}{5} }$

$\displaystyle \sf{ = x }$

FINAL ANSWER

Hence the correct option is 1. x

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