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1. Explain when its appropriate to use Parametric and Non-Parametric testing procedures:
2. Define the terms Independent and Dependent Variables:
3. Provide some examples on how to catch/prevent research fraud:
4. Provide the Null and Alternative Hypotheses testing statements for the following statement: There are only 24 hours in a day.
5. What statistical tool would you now utilize to improve your business?
6. Explain the Chi-Square Non-Parametric Testing Concept.
Determine the critical value. Using the critical value rejection rule, what is the statistical conclusion?
If the city manager knows the average salary nationally is $38,300, which test of significance should be used? Why?
Test claim that mean responses are same for all populations of patients receiving either treatment and of either gender.
Suppose you toss ten coins and count the number of heads. What is the probability that the number of heads you count will lie within two standard deviations of the mean?
When sampling is done for the proportion of defective items in a large shipment, where the population proportion is 0.18 and the sample size is 200, what is the probability that the sample proportion will be at least 0.20?
You're the production manager for operation that produces circuit boards. Each board is tested at the end of manufacturing process. Rejected boards are discarded and have no future value.
Hagger Engineering Corporation is considering undertaking several proposed projects for the next fiscal year. The projects, the number of engineers and the number of support personnel necessary for each project.
Women in the U.S. Air Force have hands that are 6.9 inches on the average (from the tip of the middle finger to the heel of the hand). The standard deviation is 0.34 inches. Assume that hand length is normally distributed.
The federal government recently granted funds for a special program designed to reduce crime in high-crime areas. A study of the results of the program in eight high-crime areas of Miami, Florida, yielded the following results.
I want to estimate within $10 the mean salary of all graduates who were business majors in college. How many business majors would be needed to estimate the mean salary to within 10 with 95% confidence if the population standard deviation is $200.
If sales invoices are automatically calculated and posted by a company's computer system, can the auditor reduce substantive tests of transactions for the accuracy objective? Why?
A research team conducted a study of soft-drink preferences among residents in a test market prior to an advertising campaign for a new cola product.
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