HSC Commerce (English Medium) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions

Fill in the blank:

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 ______.

To use the Hungarian method, a profit maximization assignment problem requires ______.

Choose the correct alternative :

Using Hungarian method the optimal assignment obtained for the following assignment problem to minimize the total cost is:

Fill in the blank :

For solving an assignment problem the matrix should be a _______ matrix.

Fill in the blank :

In Hungarian Method, only _______ task can be assigned to each facility.

State whether the following is True or False :

The Hungarian method operates on the principle of matrix reduction, whereby the cost table is reduced to a set of opportunity costs.

State whether the following is True or False :

Optimal assignments are made in the Hungarian method to cells in the reduced matrix that contain a zero.

State whether the following is True or False :

Using the Hungarian method, the optimal solution to an assignment problem is found when the minimum number of lines required to cover the zero cells in the reduced matrix equals the no of persons.

Choose the correct alternative:

Negation of p → (p ˅ ~q) is