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Reserve Problems Chapter 11 Section 2 Problem 1 The department of health studied the number of patients who need liver transp

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Answer #1

Excel regression output is given below

Regression Analysis
0.903 n   13
r   0.950 k   1
Std. Error   1.268 Dep. Var. y
ANOVA table
Source SS   df   MS F p-value
Regression 164.31395647 1   164.31395647 102.20 6.63E-07
Residual 17.68604353 11   1.60782214
Total 182.00000000 12  
Regression output confidence interval
variables coefficients std. error    t (df=11) p-value 95% lower 95% upper
Intercept 1,997.8339
x 0.0014 0.00013577 10.109 6.63E-07 0.0011 0.0017

a)

\hat \sigma^2=MSE=\frac{SSE}{n-2}=1.6078

b)

\beta_1=0.0014

c)

Now that we have the regression equation, we can compute the predicted value for X = 2013, by simply plugging in the value of

d)

put x=2008

we get y=2000.590

e=7597-2000.590=5596.41

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