Stats - Chap. 11 Answers

Stats - Chap. 11 Answers - Review chapter 11 answers 1 d 2...

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Unformatted text preview: Review chapter 11 answers 1. d 2. b 3. d 4. e should be a with 1 =0 and not 0 5. False .correlation does not mean causation. 6. b 7. b 8. b 9. d t critical value( = 0.05 , df ;n-2 =68) = 2 . 2.53>2 10. a ( two variables: qualitative and quantitative) 11. b 12. a 13. e or a. It depends on which variable you denote as x and which as y. If y denotes paper(which I think is the correct way) then e is the correct answer. If y denotes the household size then a is the correct answer. 14. e or b . (as with answer 13 ) 15. Ho; 1 = 0 H1; 1 0 SUMMARY OUTPUT Regression Statistics Multiple R 0.629516 R Square 0.396291 Adjusted R Square 0.295672 Standard Error 2.215968 Observations 8 ANOVA df Regression Residual Total 1 6 7 Coefficient s 4.548333 0.995897 SS 19.34033 29.46307 48.8034 Standard Error 1.80933 0.501818 MS 19.34033 4.910512 F 3.938556 Significance F 0.094423 Intercept X Variable 1 t Stat 2.513822 1.98458 P-value 0.045667 0.094423 Lower 95% 0.121063 -0.23201 Upper 95% 8.975604 2.223801 Lower 95.0% 0.121063 -0.23201 Upper 95.0% 8.97560 2.22380 16. from the table 0.62 17. 8.52 ...
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Stats - Chap. 11 Answers - Review chapter 11 answers 1 d 2...

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