What is the average income for females

Assignment Help Applied Statistics

Reference no: EM131879040

Assignment Question -

1. List 5 assumptions of the simple linear regression model.

2. You have estimated the following equation using OLS: y = 33.75 + 1.45 MALE

where y is annual income in thousands and MALE is an indicator variable such that it is 1 for males and 0 for females.

a) According to this model, what is the average income for females?

b) According to this model, what is the average income for females?

c) What does OLS stand for? How are the OLS estimates calculated?

3. What does Gauss Markov theorem say about OLS estimates?

4. Suppose, you want to investigate what will happen to the demand of t-shirts if you increase price of the t-shirts that you are selling. Write down the regression model which will be able to investigate this relationship. From the theories that you have learnt in Principles of Micro, can you guess what curve are you estimating. What do you expect the relationship to be?

5. For each of the accompanying scatterplots for several pairs of variables, indicate whether you expect a positive or negative correlation coefficient between the two variables, and the likely magnitude of it (you can use a small range).

6. a) Suppose you are estimating the following regression: Y=B₁ + B₂X +e.

Using the below data, calculate estimates of B₁ and B₂ and the variance of B₂.

Y	X
6	0
5	1
3	2
1	3
0	4

b) Using your estimates, predict the value of y and the residual when x=3.

Reference no: EM131879040

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