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Which of the following is the formula fo...

Which of the following is the formula for finding mean `(bar(X))` by assumed mean method ?

A

`barX = (f_(i)x_(i))/(f_(i))`

B

`barX = (Sigmaf_(i)x_(i))/(Sigmaf_(i))`

C

`bar X = A + bard`

D

`barX = A + baru g`

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The correct Answer is:
A, B, C, D
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-STATISTICS-EXAMPLES FOR PRACTICE (MCQs)
  1. What is the class mark of the class 100 - 190 ?

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  2. Find the value of the mean barX , " if " Sigma f(i) x(i) = 30 " and " ...

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  3. Which of the following is the formula for finding mean (bar(X)) by ass...

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  4. Method to calculate Mean by Step-Deviation method

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  5. Which of the following is not a measure of central tendency

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  6. The value of mean is 56.8 " and " Sigmax(i)f(i) = 2840. What is the v...

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  7. In a tree plantation programme, 40 students planted various number of ...

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  8. Find the class mark of the class 35-39 . What is the next consecutive ...

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  9. What is the value of g for the class 200 - 250 ? What is the class mar...

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  10. Complete the following activity by filing the boxes : Here, L = ...

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  11. Find the value of Sigma f(i) for the following information : (i) Sig...

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  12. Find the value of Sigmaf(i) d(i) for the following information. (i) ...

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  13. Find the value of bar u for the following information : (i) A = 22.5...

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  14. Find the mean of the data given in the following table. {:("Class",0...

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  15. The following table shows the percentage of vehicles passing a signal....

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  16. The age group of the number of persons in the age group who donated bl...

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  17. Find barX by step deviation method : Given : A = 2200. " "Sigma ...

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  18. The mean of the data by step deviation method is Rs. 1390. Find the as...

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  19. The mean of the data by step deviation method is 1896 . Find the value...

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  20. For each of the following frequencies distribution draw histogram : (...

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