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Fill in the blanks: If the mean of X1,...

Fill in the blanks:
If the mean of `X_1, X_2`…….`X_10` is `barX`, then `(X_1 - barX) + (X_2 - barX) + …+ (X_(10) - barX)` _______.

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UNITED BOOK HOUSE-ANISHMALI UNTIED ACADEMY-EXERCISE
  1. Fill in the blanks: An object having two surfaces is .

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  2. Fill in the blanks: If sec^2theta + tan^2theta = 13/12 then sec ^4th...

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  3. Fill in the blanks: If the mean of X1, X2…….X10 is barX, then (X1 - ...

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  4. Write True or False: Present price of a comodity is Rs 100. Decreasi...

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  5. Write True or False: Fourth proportional xyz, y^2x and z^2x is z^2y

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  6. Write True or False: Two tangents can be drawn from any external poi...

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  7. Write True or False: Value of sin^25theta+cos^25theta = 5

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  8. Write True or False: The curved surface area of a solid hemisphere w...

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  9. Write True or False: Mode of 2,3,5,6,4,2,4,8,9,5,4,7 is 9

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  10. Calcualte the numbewr of year for which a principal becomes twice of i...

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  11. In a partnership bussiness, Pallabi invests Rs 600 for 7 months and Ra...

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  12. If p:q = 3:5 and q-p = 4 then (3p+4q) = ?

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  13. In x=2+sqrt3 then (x^2+1)/x=?

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  14. Length of two chords of a circle with centre at O are 6 cm and 8 cm. I...

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  15. The radius of a circle with centre O is 5cm. P is a point at a distanc...

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  16. If the ratio of the length of the sides of a triangle be 1:sqrt3:2 the...

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  17. Height and base radius of a cone are equal. Find the ratio of the curv...

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  18. If each edge of a cube is doubled then how much the volume of the cube...

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  19. If tan 6 theta . tan 4 theta= 1 then find the value of sin 5 theta.

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  20. The length of radius of a circle 14 cm. Determine the circular value o...

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