Calculate the regression line

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Reference no: EM133082550

1) Show all calculations. Correct answers without supporting calculations will get only ¼ the allotted points.

X

Y

16

120

35

140

20

160

24

115

25

40

Calculate the regression line (the α + β). Show all your work. 

2)  Paasche Price Index: 

 

Price per lb. 2007

Qty. bought in 2007

Price per lb. 2008

Qty. bought in 2008

Onions

$ 2.25

9

$ 2.30

7

Garlic

$ 4.50

7

$ 5.00

8

Tomatoes

$ 1.75

20

$ 1.65

10

Calculate the inflation rate between 2007 and 2008.  Use the Paasche Price Index with 2007 as the base year. You need to get the price indices first before you can calculate the inflation rate. 

 3)

 

Coefficients

Standard Error

t Stat

P-value

Lower 95%

Upper 95%

Intercept

52.25

12.37

 

0.023

47.56114

56.91386

YEARS

1.49

0.53

 

0.002

0.267298

2.714904

The table above shows the regression results for the model:

Wage = α + β YEARS  + ε

Where:  wage is the hourly wage and years is the number of years of experience.

Given the regression results, how much should an individual with 19 years of experience earn?

Reference no: EM133082550

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