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Q1.) The discussion surrounding the ANOVA is very important. This is a widely utilized statistical tool. What is the ANOVA? What is the purpose of the ANOVA? What role does variation have in the discussion? What is the purpose of the F distribution?
Q2.) Why is the F distribution important? How do you determine if a significant difference exists among the groups in ANOVA? How do you determine differences between the groups in ANOVA?
Q3.) Describe the requirements that must be met before an ANOVA test can be used. Discuss what the researcher should do if one of these requirements is not met.
Q4.) How could the Analysis of Variance be used to make decisions in a dynamic, competitive business environment? In what situations does your organization use ANOVA? What are some examples that you are familiar with or where ANOVA could be used?
Q5.) What is the role or significance of the Tukey Honestly Significant Difference test?
Q6.) What are the purposes of nonparametric methods? How do these compare to parametric tests?
If the shop does not want to give more than 1% of its customers a free lube and oil change service, how long should the guarantee be?
You want to estimate today's mean temperature, so you make a series of measurements (taken as a sample) throughout the day. The mean of these measurements is 63 degrees Fahrenheit, and their standard deviation is 3.4 degrees Fahrenheit.
Based on the answers to a through d, decide whether or not to reject the null hypothesis at the given significance level. Explain your conclusion in the context of the problem.
What is the probability that the second pipe (with length Y) is more than 0.15 feet longer than the first pipe (with length X)? Give your answer to four decimal places. Hint: Do not use calculus to get your answer.
If the market research gave a positive indication the price would be £35,000. If the market research gave a negative indication the price would be only £3,000.
For commercial banks in each state, the U.S. Federal Deposit Insurance Corporation has determined the percentage of domestic assets. Construct a frequency distribution with 6 classes for this data.
If you draw one ball from the urn what is the probability that it is blue or white?
testing for population mean.bookstores like education one reason being that educated people are more likely to spend
U.S Census data show that 14% of the consumer population is 18 to 24 years old. Given the consumer is 18 to 24 years old, what is the probability that the consumer use a plastic card?
SCCoast, an Internet provider, developed the following frequency distribution on the age of Internet users. Find the mean, median, and the standard deviation.
If 16 measurements are taken and the standard deviation is 2.1 mg/dl is there enough evidence to support the claim that her standard deviation is greatear than the target at a = 0.01?
Smaller the p-value in test of hypothesis, the more important the results are.
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