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(Solved) p 1: Set up your hypothesis and determine the level of


p 1: Set up your hypothesis and determine the level of significance

  1. State the alternative/research hypothesis in written format.Answer: ____/ 6 points
  2. State the null hypothesis in written formatAnswer: ____/ 6 points
  3. What is your level of significance (choose ? = .05 or ? = .01)?Answer: ____/ 4 points

Step 2: Select the appropriate test statistic

  1. What is the appropriate test statistic?Answer: ____/ 4 points

-Continued below-

Step 3: Set up the decision rule

  1. Based on the level of significance you set in step 1, what is your decision rule?Note: Because there are 2 rows and 2 columns, the total degrees of freedom is 1. Answer:____/ 6 points Step 4: Compute the test statistic
  • Open SPSS and then use the file/open/data command to open the dataset asbestos.sav.
  • Select: Analyze > Descriptive Statistics > Crosstabs
  • Move asbestos to the Row(s) box, and lungca to the Column(s) box. Click on Statistics and make sure Chi-Square and RISK are checked. Click on Cells, and check Observed and Expected (frequencies). Click Continue; click OK.
  1. What is the ?2value computed by your SPSS analysis?

Answer: ____ / 4 points

  1. Paste your SPSS output here:

Answer: ____ / 20 points

Step 5: Conclusion

8. Do you reject or fail to reject the null hypothesis?

Answer: ____ / 6 points

  1. Is there an association between asbestos exposure and lung cancer?

Answer: ____ / 4 points

 


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Oct 15, 2019

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