HSC Commerce (English Medium) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions

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Regression equation of Y on X is_________

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There are __________ types of regression equations.

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Corr (x, −x) = __________

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If u = `"x - a"/"c" and  "v" = "y - b"/"d"` then b_xy = _______

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If u = `"x - a"/"c" and  "v" = "y - b"/"d"` then b_yx = _______

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The graph of time series clearly shows _______of it is monotone.

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|b_xy + b_yx| ≥ ______

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If b_yx > 1 then b_xy is _______

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b_xy . b_yx = _______

Corr (x, x) = 1

Regression equation of X on Y is `("y" - bar "y") = "b"_"yx" ("x" - bar "x")`

State whether the following statement is True or False.

Regression equation of Y on X is `("y" - bar "y") = "b"_"yx" ("x" - bar "x")`

State whether the following statement is True or False.

Corr (x, y) = Corr (y, x)

State whether the following statement is True or False.

b_xy and b_yx are independent of change of origin and scale. 

‘r’ is regression coefficient of Y on X

State whether the following statement is True or False.

b_yx is correlation coefficient between X and Y

State whether the following statement is True or False.

If u = x - a and v = y - b then b_xy = b_uv 

State whether the following statement is True or False.

If u = x - a and v = y - b then r_xy = r_uv 

The Cost of Living Index Number using Weighted Relative Method is given by ______

The Assignment Problem is solved by ______.