Table attached shows the historical returns for Companies A, B and C Estimate the average return and standard deviation of each company. Estimate the correlations between Company A and B, A and C, as well as B and C.
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Table attached shows the historical returns for Companies A, B and C
- Estimate the average return and standard deviation of each company.
- Estimate the
correlations between Company A and B, A and C, as well as B and C.
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- Lyme disease is spread in the northeastern United States by infected ticks. The ticks are infected mainly by feeding on mice, so more mice result in more infected ticks. The mouse population in turn rises and falls with the abundance of acorns their favored food. Experimenters studied two similar forest areas in a year when the acorn crop failed. They added hundreds of thousands of acorns to one area to imitate an abundant acorn crop, while leaving the other area untouched. The next spring, 54 of the 77 mice trapped in the first area were in breeding condition versus 9 of the 15 mice trapped in the second area. Give a 99% confidence interval for the difference between the proportion of mice ready to breed in good acorn years and bad acorn years. Follow the Toolbox. Lower bound:___________________ Upper bound:___________________(d) Heights of students in your class (e) Ages of shoppers in a convenience store near a university late Saturday night (f) Number of children of shoppers in a toy store (g) Amount of cash taken in by retail cashiers during a two-hour shift (h) Number of packages processed each day by Federal Express in their hub location in Memphis, Tennessee, during August and the four weeks before ChristmasCompany Type Total Revenues Total Assets Return on Equity Earnings per Share Average Yield Dividends per Share Average P/E Ratio AFLAC 6 7251 29454 17.1 2.08 0.9 0.22 11.5 Albertson's 4 14690 5219 21.4 2.08 1.6 0.63 19 Allstate 6 20106 80918 20.1 3.56 1 0.36 10.6 Amerada Hess 7 8340 7935 0.2 0.08 1.1 0.6 698.3 American General 6 3362 80620 7.1 2.19 3 1.4 21.2 American Stores 4 19139 8536 12.2 1.01 1.4 0.34 23.5 Amoco 7 36287 32489 16.7 2.76 3.1 1.4 16.1 Arco Chemical 2 3995 4116 6.2 1.14 6.1 2.8 40.4 Ashland 7 14319 7777 9.5 3.8 2.3 1.1 12.4 Atlantic Richfield 7 19272 25322 21.8 5.41 3.8 2.83 3.8 Bausch & Lomb 5 1916 2773 6 0.89 2.6 1.04 2.6 Baxter International 5 6138 8707 11.5 1.06 2.3 1.13 47.2 Bristol-Myers Squibb 5 16701 14977 44.4 3.14 2 1.52 24.1 Burlington Coat 1 1777 775 12.3 1.18 0.1 0.02 12.9 Central Maine Power 3 954 2299 2.4 0.16 7.8 0.9 79.6 Chevron 7 41950 35473 18.6 4.95 3 2.28 15.2 CIGNA 6 14935 108199 13.7 4.88 2 1.1 11.4…
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