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Prepare a report for the dean of the college that summarizes your assessment of the nature of cheating by business students at Bayview University. Be sure to include the followingitems in your report.
1. Use descriptive statistics to summarize the data and comment on your findings.
2. Develop 95% confidence intervals for the proportion of all students, the proportionof male students, and the proportion of female students who were involved in sometype of cheating.
3. Conduct a hypothesis test to determine if the proportion of business students at Bay view University who were involved in some type of cheating is less than that ofbusiness students at other institutions as reported by the Chronicle of HigherEudcation.
4. Conduct a hypothesis test to determine if the proportion of business students atBayview University who were involved in some form of cheating is less than thatof nonbusiness students at other institutions as reported by the Chronicle of HigherEducation.5. What advice would you give to the dean based upon your analysis of the data?
Experts claim that 10% of murders are committed by women. is there enough evidence to reject the claim if in a sample of 67 murders, 10 of them were committed by women? use a significance level of .01
Suppose that Total Revenue = 200Q and Total Cost = 80 + 50Q where Q, the quantity sold, is a random variable with expected value 20 and variance 4.
How large a sample should be selected in order to estimate the population proportion to within a margin of error of 0.02 with 97% confidence. The sample proportion from the preliminary sample was 0.18.
Use the least-squares method to compute the regression of coefficients b0 and b1.
24 of the students in the sample received an "A". Test the instructor's claim at a 5% level of significance. What is your conclusion?
Out of a random sample 167 students pass an exam out of the 300. how do you calculate an exact 99% confidence interval for the proportion of sudents who passed the exam?
A psychologist has designed a questionnaire to measure individuals' aggressiveness. Assume that the scores on the questionnaire are normally distributed with a standard deviation of 80.
The table below gives the loan requests (in thousands of dollars) for the past 12 months. Would you say that the local business economy is heating up or cooling down? Explain your answer. Graph the data.
Bryan money to drive to Madison to buy gas for each of his cars since he has to drive there twice a week anyway?
Given a level of confidence of 99% and a population standard deviation of 10, what other information is necessary:
David Gallano, a wine merchant, has collected opinions on grape wine quality from a sample of his customers. These customers tasted wine made from grapes grown in three regions of the country.
Create the 99% confidence interval on difference of average ages for viewers of the two TV programs. How can you interpret interval?
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