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Slide 4- 1 Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Active Learning Lecture Slides For use with Classroom Response.

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Presentation on theme: "Slide 4- 1 Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Active Learning Lecture Slides For use with Classroom Response."— Presentation transcript:

1 Slide 4- 1 Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Active Learning Lecture Slides For use with Classroom Response Systems Elementary Statistics: Picturing the World Fourth Edition by Larson and Farber Chapter 10: Chi-Square Tests and the F-Distribution

2 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley The distribution of favorite ice cream flavor is shown in the graph. The results from a random sample of college students is shown below. Find the expected frequency for the Vanilla category. A B C. 8.1 D ChocolateVanillaStrawberryOther

3 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley The distribution of favorite ice cream flavor is shown in the graph. The results from a random sample of college students is shown below. Find the expected frequency for the Vanilla category. A B C. 8.1 D ChocolateVanillaStrawberryOther

4 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley The distribution of favorite ice cream flavor is shown in the graph. The results from a random sample of college students is shown below. Find the critical value for α = A B C D ChocolateVanillaStrawberryOther

5 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley The distribution of favorite ice cream flavor is shown in the graph. The results from a random sample of college students is shown below. Find the critical value for α = A B C D ChocolateVanillaStrawberryOther

6 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley The distribution of favorite ice cream flavor is shown in the graph. The results from a random sample of college students is shown below. Find the value of the test statistic. A B C D ChocolateVanillaStrawberryOther

7 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley The distribution of favorite ice cream flavor is shown in the graph. The results from a random sample of college students is shown below. Find the value of the test statistic. A B C D ChocolateVanillaStrawberryOther

8 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Calculate the expected frequency for the highlighted cell E 2,3. A B C D Favorite Pastime GenderReadingTelevisionMusic Male Female102017

9 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Calculate the expected frequency for the highlighted cell E 2,3. A B C D Favorite Pastime GenderReadingTelevisionMusic Male Female102017

10 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Find the critical value for α = A B C D Favorite Pastime GenderReadingTelevisionMusic Male Female102017

11 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Find the critical value for α = A B C D Favorite Pastime GenderReadingTelevisionMusic Male Female102017

12 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Find the value of the test statistic. A B C D Favorite Pastime GenderReadingTelevisionMusic Male Female102017

13 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Find the value of the test statistic. A B C D Favorite Pastime GenderReadingTelevisionMusic Male Female102017

14 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Find the critical F-value for the following situation: Claim: α = 0.10 n 1 = 9; n 2 = 8 A B C D. 3.50

15 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Find the critical F-value for the following situation: Claim: α = 0.10 n 1 = 9; n 2 = 8 A B C D. 3.50

16 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Find the value of the test statistic. Claim: α = 0.10 n 1 = 9; n 2 = 8 A B C D. 1.28

17 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Find the value of the test statistic. Claim: α = 0.10 n 1 = 9; n 2 = 8 A B C D. 1.28

18 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley A professor wants to test if the mean score on an exam is the same in all three of his elementary statistics classes. True or False. The appropriate hypotheses would be H 0 : H a : A. True B. False

19 Slide Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley A professor wants to test if the mean score on an exam is the same in all three of his elementary statistics classes. True or False. The appropriate hypotheses would be H 0 : H a : A. True B. False


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