Question

today is my exam solve it fast step by step please​

Answer 1

Ti find x..

Mode=25

25=x + 3

x = 25 - 3

x = 22

For median

arranging in ascending order =

15,20,22,23,24,25,25,26,27,40

n = 10

n is even no.

Median = ( n/2)th observation + (n/2+1) ÷ 2

=(10/2) th observation +(12/2)th observation÷2

=5th observation +6th observation ÷ 2

= 24 + 25 ÷ 2

= 49 ÷ 2

= 24.5

Median=24.5

For Median

n = 9

n is odd number

Median = (10/2)th observation

45=5 th observation

45 = 2x + 3

45 - 3 = 2x

x=42/2

x=21

then

=2x + 3

=2(21) + 3

= 42 + 3

= 45

For mode

as 45 is occurs 3 time

Mode = 45