Determine if the problem is either a test of hypothesis, a confidence interval or something

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      a.   Determine if the problem is either a test of hypothesis, a confidence interval or something else and specify the ‘key words’ found in the problem that demonstrate your choice.  

      b.   Determine the procedure name and parameters involved for each problem (use the Stat 200 Formulas and Techniques Summary document.)  Specify the ‘key words’ found in the problem that lead you to this choice.

      c.   If the problem is a hypothesis test, indicated if it has a lower-tail, upper-tail, or two-tail alternative hypothesis as well as the test statistic formula for the test.  If the problem is a confidence interval then indicate the formula used for the margin of error.

        Unless indicated otherwise, you DO NOT need to do the ACTUAL test of hypothesis, confidence interval, etc.   Just enter your answer to a., b., and c. above in the dropbox.

 

A large organization is being investigated to determine if its recruitment is sex-biased. Tables 1 and 2, respectively, show the classification of applicants for sales and for secretarial positions according to gender and result of interview. Table 3 is an aggregation of the corresponding entries of Table 1 and Table 2.  Answer each of the following:

      i.   According to the data in tables 1 and 2, does there seem to be an association with gender and hiring status at the 5% significance level?

      ii.  Does the data in Table 3 indicate the same result?

 

 

  • 9 years ago
Determine if the problem is either a test of hypothesis, a confidence interval or something
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