Ques 1.

What is the difference between an estimate and an estimator? Explain all the properties of an estimator with reference to BLUE.

Ques 2.

Define multicollinearity. How do we identify it? Present its characteristics and also discuss the remedial measures to handle multicollinearity.

Ques 3.

Differentiate between Point Estimation and Interval Estimation.

Ques 4.

Explain the assumptions of a classical regression model.

Ques 5.

Explain the term ‘Normal Distribution’. What is its significance? Explain its characteristics.

Ques 6.

Differentiate between the concept of association and causation.

Ques 7.

Discuss critical region/s. Explain one-tail and two -tail tests.

Ques 8.

Which test is employed to compare means of two groups? Explain the test with the help of an example.

Ques 9.

What do you understand by Sample regression function? Explain with the help of suitable examples

Ques 10.

Explain the consequences of specification errors.