Week 2 chapter exercises

Week 2 chapter exercises - than the 0.025 significance...

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Chapter exercises 1 Week 2 chapter exercises Justin Grunigen RES/342 Mark Talbot University of Phoenix, North Florida Thursday August 12, 2010
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Chapter exercises 2 Week 2 chapter exercises 9.54 Using excel, the p-value is calculated to be 2.46e-9, with one tail. This gives a strong indication to reject the null hypothesis. This means at .01 significant level the true mean is greater than 10. 9.56 Using excel, the p-value is calculated to 0.197, with one tail. Because the p-value is less than 0.1, there is a strong indication that the coin is biased to heads 9.62 Using excel, the p-value is calculated to 0.0201, with one tail. Because the p-value is smaller
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Unformatted text preview: than the 0.025 significance level, there is strong indication to accept the null hypothesis that they are exceeding the 95% processing rate. 9.64 h : Average OOP = $250 h 1 : average OOP > $250 Decision rule: reject the null hypothesis if the p-value is <0.05 Using excel, the p-value is calculated to 0.0568 with one tail. Because the p-value is not less than 0.05 there is not enough data to reject the null hypothesis. This means there is insufficient evidence to prove a violation of the guidelines at a 5% significance level. In addition, because the p-value is so close to .05 this is a close decision. Chapter exercises 3...
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  • Spring '08
  • CAREY
  • Statistical hypothesis testing, Statistical significance, Mark Talbot University of Phoenix, Justin Grunigen

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Week 2 chapter exercises - than the 0.025 significance...

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