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The manager of the Gander Mountain store in Frogtown, IL, believes that his prices for ammunition are lower than the prices of his primary competitor in the hunting equipment market, Cabela's. He would like to be able to provide evidence to support this assertion.
- What are the Gander Mountain manager's null and alternative hypotheses?
- How should he go about taking samples to gather data for testing the hypotheses?
- What statistical test should he use to test his hypothesis, using the data he has collected?
Based on this sample information, develop a 90 percent confidence interval for the population mean yearly premium.
If there are 5 choices for a question and there is a 50% chance that the student knows the answer, what is the probability that the student knew the answer to a question he correctly answered?
At.02 significance level is it sensible to conclude that mean number of shoes sold at mall stores is larger than at outlet stores?
With a Rejection Region of 8, 9 or 10, what is the probability of a Type II error, if the job applicant has a probability of identifying the odd sample with p = 0.5?
What can be done to remedy multicollinearity? Use ANOVA instead of Regression.
Use a scatter plot to determine the relationship between the x values and the y values.
Supposing that there is no cost of entering the sweepstakes, find the expected value of the amount won for one entry. Determine the expected value if the cost of entering this sweepstakes is the cost of a postage stamp. Is it worth entering the cont..
Conduct an analysis of variance
Explain the purpose of the chi-square test for independence. Provide some practical examples where this test might be used in business.
The following data were collected as part of a study of coffee consumption among male and female undergraduate students. The following reflects cups per day consumed:
What is the probability that the police will strike and the firefighters will not? What is the probability that the firefighters will strike and the police will not?
Calculate the mean and the standard error of the sampling distribution of the sample means. Also, find the mean and standard error of the sampling distribution for samples of size 5.
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