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Show all formulae and work. NO CREDIT WILL BE GIVEN FOR QUESTIONS lacking FORMULA AND CALCULATIONS. Please reprint questions and use word.doc or similar software to display work. Follow the same protocol used in previous exams. This exam is due Monday April 23th @ 7pm. Late papers will not be accepted.The mean starting salary for college Stats Major graduates in spring of 2011 was $65,000. Assuming a normal distribution with a S. D. of $4,000. Document Preview: Show all formulae and work. NO CREDIT WILL BE GIVEN FOR QUESTIONS lacking FORMULA AND CALCULATIONS. Please reprint questions and use word.doc or similar software to display work. Follow the same protocol used in previous exams. This exam is due Monday April 23th @ 7pm. Late papers will not be accepted.The mean starting salary for college Stats Major graduates in spring of 2011 was $65,000. Assuming a normal distribution with a S. D. of $4,000. What percent of the population have starting salaries – 15ptsBetween $59,000 and $70,000?More than $70,000?Less than $60,000?Explain the Continuity Correction Factor and provide a good example. (3-4 paragraphs) 20pts.3. Randomly select a page from the white pages of our local phone book. Prepare a frequency distribution of the FINAL DIGIT of 35 randomly selected phone numbers. i.e., if a phone number is 831 5063, you would record the “3”, since it was the last digit. 15ptsAttach the original phone book page or copy of that page.State how you randomly / statistically selected the 45 phone numbersDraw a histogram of this population distribution and compute the population mean and standard deviation of the numbers.4. A local 7-11 store conducted a survey to determine the average amount of money that beer drinkers spend during SPRING BREAK Week. A sample of 50 “winos” revealed that X = $24 and the standard deviation was $6. 15ptsWhat is the point estimate of this population mean? What does it signify?Using the 97% level of confidence, determine the confidence interval for u.5. The Wester Refineria company STATISTICIAN wants to estimate the proportion of customers who use a credit /debit card to pay at the pump. She surveyed 150 customers and found out that 120 paid using such a card. 15ptsEstimate the population proportionCompute the standard error of the proportionDevelop a 95 % C I for the population proportionDISCUSS your findings6.. A survey is being conducted by KI Attachments: homework-stat....doc Apr 11 2012 02:39 AM

 

Solution ID:609140 | This paper was updated on 26-Nov-2015

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