Question

4. If u = *-25, fu, = 20, 29, = 100, then find 7
10
mohd.​

Answer 1

Answer:

Mean=a+

∑f

i

∑f

i

u

i

×h,u

i

=

h

x

i

−a

a=25,h=10,∑f

i

u

i

=20,∑f

i

=100

Mean =25+

100

20

×10=27

Answer 2

Step-by-step explanation:

Mean=a+

∑f

i

∑f

i

u

i

×h,u

i

=

h

x

i

−a

a=25,h=10,∑f

i

u

i

=20,∑f

i

=100

Mean =25+

100

20

×10=27