Home
Class 10
MATHS
If sumf(i)u(i)=36, sumf(i)=100, A=40 and...

If `sumf_(i)u_(i)=36`, `sumf_(i)=100`, `A=40` and `h=3`, then `barX=?`

A

`41.08`

B

`38.92`

C

`39.64`

D

`40.36`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    TARGET PUBLICATION|Exercise Additional Problems for Practice|44 Videos

  • STATISTICS

    TARGET PUBLICATION|Exercise Apply your knowledge|5 Videos

  • STATISTICS

    TARGET PUBLICATION|Exercise Try this|2 Videos

  • SIMILARITY

    TARGET PUBLICATION|Exercise Chapter Assessment|19 Videos

  • TRIGONOMETRY

    TARGET PUBLICATION|Exercise Chapter Assessment|18 Videos

Similar Questions

Explore conceptually related problems

Find bar(u)" if sumf_(i)u_(i)=66andsumf_(i)=100.

For a certain frequency distribution, the value of Assumed mean (A)=1300 , sumf_(i)d_(i)=900 and sumf_(i)=100 . Find the value of mean (barX) .

If sumf_(i)=20 , sumf_(i)x_(i)=120+y and barX=7 , then y=?

The mean of the data by step deviation method is 1896 . Find the value of g, if Sigma f_(i) u_(i) = 66, Sigma f_(i) = 100" and " A = 1500 .

If sum f_(i) = 15 , sumf_(i) x_(i) = 3p + 36 and the mean of the distribution is 3 , then find the value of p .

In a frequency distribution , if a =assumed mean = 55 , sumf_(i) = 100 , h = 10 and sumf_(i)mu_(i)= -30 , then find the mean of the distribution.

For the frequency distribution of time ( in minutes ) a worker takes to complete the work, sumf_(i)=100,sumf_(i)d_(i)=185 and mean (bar(X))=38.85 Find the assumed mean (A).

Find barX by step deviation method : Given : A = 2200. " "Sigma f_(i)u_(i) = - 15, " "Sigma f_(i) = 100 " and " g = 400 .

In the formula bar(x)=a+h(sumf_(i)u_(i))/(sumf_(i)) for finding the mean of grouped frequency distribution u_(i) is equal to