Question

if the mean of a distribution is 20 and each item is increased by 2 the new mean will be

Answer 1

Answer:

Step-by-step explanation:

Median is the observation at the middle after you arrange the data in ascending or descending order.

Standard deviation is deviation from observation by its mean.

When you consider the formulas for both and find the median and standard deviation you will get two answers, one for each.

Next adding each observation by 2 and calculating median and standard deviation you will get both are increased two times.

So the values get multiplied by the constant

Answer 2

${\bold{\huge{\purple{\mathcal{Hëy Frïèñd....}}}}}$

.

Here is the Answer....

..

.

There is a theorem ...

• If the mean of the observations $x_1, x_2, x_3, .........x_n$ is 'A' and if each observation is increased by 'p', then the mean of the new observations is

(A + p).

.

So, Using this theorem

If the mean of a distribution is 20 and each item is increased by 2,

Then the new mean Will be

= 20 + 2

= 22

.

${\huge{\bold{Ans.\:22}}}$

.

.

I Hope This Will Help You