Question

if mode=65 , find x and y when it is given that frequency is 70​

Answer 1

Answer:

Modal class =30−40

So, f

0

=x,f

1

=16,f

2

=12,l=30 and h=10

⇒ Mode=l+

2f

1

−f

0

−f

2

f

1

−f

0

×h

⇒ 36=30+

2×16−x−12

16−x

×10

⇒ 6=

20−x

16−x

×10

⇒ 120−6x=160−10x

⇒ 4x=40

∴ x=10

Step-by-step explanation:

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