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Here are three ways to assess one's performance in high school: (1) GPA at graduation, (2) whether one graduated with honors (as indicated by graduating with a GPA of at least 3.5), and (3) class rank at graduation. For example, Abdul had a 3.98 GPA, graduated with honors, and was ranked 10th in his class.
a. Which of these variables could be considered to be a nominal variable? Explain.
b. Which of these variables is most clearly an ordinal variable? Explain.
c. Which of these variables is a scale variable? Explain.
d. Which of these variables gives us the most information about Abdul's performance?
e. If we were to use one of these variables in an analysis, which variable (as the dependent variable) would lead to the lowest chance of a Type II error? Explain why.
What are the similarities and differences between the revolutions that erupted in England, the United States, France, and Haiti, in the 17th and 18th centuries? Pay attention to issues of social class, gender, and ideologies in comparing the diff..
A manufacturer claims that fewer than 6% of its fax machines are defective. In a random sample of 240 such fax machines, 12 are defective. A) Find the sample portion of defective fax machine
Why do we use N- 1 in the denominator for computing s but use N in the denominator for determining σ?
a researcher investigated the effect of volume of background noise on participants accuracy rates while performing a
general hospital a not-for-profit acute care facility has the following cost structure for its inpatient servicesfixed
A 6 × 8 array containing the ages of moviegoers
A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz.
the national study of the changing workforce conducted an extensive survey of 2958 wage and salaried workers on issues
Class where the mean is 85 and the standard deviation is 4.59, who did better relative to their class? Note both did better than the class mean. How do you answer this question?
What is the purpose of using correlation analysis? How might correlation analysis be used in business decisions or in strategy formulation and implementation?
Island Water Sports is a business that provides rental equipment and instruction for a variety of water sports in a resort town. On one particular morning, a decision must be made of how many Wildlife Raft Trips and how many Group Sailing Lessons ..
A Department of Transportation survey showed that 60% of U.S. residents over 65 years of age oppose use of cell phones in flight even if there were no issues.
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