chap03 - CHAPTER 3 Exercise Answers EXERCISE 3.3 (a) (b)...

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12 CHAPTER 3 Exercise Answers EXERCISE 3.3 (a) Reject 0 H because 3.78 2.819. c tt  (b) Reject 0 H because 3.78 2.508. c (c) Do not reject 0 H because 3.78 1.717. c Figure xr3.3 One tail rejection region (d) Reject 0 H because 2.32 2.074. c    (e) A 99% interval estimate of the slope is given by (0.079, 0.541)
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Chapter 3, Exercise Answers, Principles of Econometrics, 4e 13 EXERCISE 3.6 (a) We reject the null hypothesis because the test statistic value t = 4.265 > t c = 2.500. The p - value is 0.000145 Figure xr3.6(a) Rejection region and p -value (b) We do not reject the null hypothesis because the test statistic value 2.093 2.500 c tt    . The p -value is 0.0238 Figure xr3.6(b) Rejection region and p -value (c) Since 2.221 1.714 c   , we reject 0 H at a 5% significance level. (d) A 95% interval estimate for 2 is given by ( 25.57, 0.91) . (e) Since 3.542 c , we reject 0 H at a 5% significance level. (f) A 95% interval estimate for 2 is given by ( 22.36, 5.87) .
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Chapter 3, Exercise Answers, Principles of Econometrics, 4e 14 EXERCISE 3.9 (a) We set up the hypotheses H 0 : 2 0 versus H 1 : 2 0
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This note was uploaded on 03/18/2011 for the course ECON 101 taught by Professor Leif during the Winter '10 term at Accreditation Commission for Acupuncture and Oriental Medicine.

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chap03 - CHAPTER 3 Exercise Answers EXERCISE 3.3 (a) (b)...

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