APPLIED STAT.IN BUS.+ECONOMICS
APPLIED STAT.IN BUS.+ECONOMICS
6th Edition
ISBN: 9781259957598
Author: DOANE
Publisher: RENT MCG
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Chapter 15, Problem 11CR

 (a) Name potential advantages of the Kolmogorov-Smirnov or Lilliefors tests. (b) Why would this type of test almost always be done on a computer?

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Test the hypothesis of the given problem using the steps discussed previously.   A survey was conducted to determine the proportion of professionals and nonprofessional respondents who are in favor of using the biometrics system for the national elections. It has been found out that 125 out of 150 professional respondents are in favor, and 75 out of 100 nonprofessionals are also in favor of the biometrics system. Is there a significant difference between the proportions of professionals and non-professionals who favor the system? Use 2.5% level of significance.
Suppose a one-way Chi-square test has degrees of freedom (df) = 4. How many categories or 'items' were used to classify the individuals in the sample?A. 5B. 3C. 4D. 2 8. Suppose a sample of 300 participants is classified into one of 4 categories or 'items'. If the results are analyzed with a one-way Chi-square test, what degrees of freedom (df) value should be used?A. 5B. 4C. 2D. 3 9. Suppose a researcher used a sample of 200 participants to determine if there is a significant preference between 4 flavors of yogurt. Each individual tastes all 4 flavors and then selects his/her favorite. If the data are evaluated with a one-way Chi-square test using the .05 level of significance, how large does the calculated value need to beto reject the null hypothesis (remember to round off all decimals to 2 places)? A. Equal to or greater than 5.99B. Less than 5.99C. Equal to or greater than 7.82D. Equal to or greater than 3.84
I need help with these questions  1.  What is the null hypothesis for this study? 2. what is the type 1 error associated with this data use the variable which cram or cramming, and study each  week or both. 3. what is a type 2 error of this study?

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APPLIED STAT.IN BUS.+ECONOMICS

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