Question

find the mean median and mode of the following 12,15,20,10,30,20,10,20​

Answer 1

Answer:

here is the answer :- mean :- 137/8 or 119.5

mode:- 20

median:- 17.5 or 35/2

Answer 2

$\huge\tt\pink{Answer}$

Mean = Number of observation divided by total number of observation.

So,

$\frac{10+10+12+15+20+20+20+30}{8}$

So,

$\frac{137}{8}$

So,

The mean is $\huge\tt\pink{17.125}$

Now median,

Median = Middle most observation.

So,

write the Numbers in ascending order.

10,10,12,15,20,20,20,30

Here the middle most observation we can't find easily.

For that,

Take 2 numbers from middle then find there mean.

$\frac{15+20}{2}$

So,

The Median is $\huge\tt\pink{17.5}$

Now mode,

Mode = Most frequent data.

So,

Write the numbers in ascending order.

10+10+12+15+20+20+20+30

Here the most frequent data is 20.

So,

The mode is $\huge\tt\pink{20}$