Question
1. Return%. Run simple regression. What is the regression equation? Y = 51.65X - 19.08 Y = 52.79X -9.62 Y = 0.93 + 0.009X Y
1. Return%. Run simple regression. What is the regression equation? Y = 51.65X - 19.08 Y = 52.79X -9.62 Y = 0.93 + 0.009X Y = 0.009 + 0.93X
2. What percent of variability in Return% is explained by regression? 40% 68% 45% 71%
3. If a company's Annual Expense Ratio is 2.0, what is your estimate of Return% for that company? 67% 122% 84% 92%
4. If Annual Expense Ratio % is 2.0, what is a 90% confidence interval on Return%. 55.4% to 71.7% 19.6% to 97.5% 74.7% to 93.7% 34.1% to 68.5%
| Fund | Safety Rating | Annual Expense Ratio (%) | Return (%) |
| Accessor Internatl Equity "Adv" | 7.10 | 1.79 | 49.00 |
| Aetna "I" International | 7.20 | 1.55 | 52.00 |
| Amer Century Intl Discovery "Inv" | 6.80 | 1.88 | 89.00 |
| Columbia International Stock | 7.10 | 1.76 | 58.00 |
| Concert Inv "A" Internatl Equity | 6.20 | 2.36 | 131.00 |
| Dreyfus Founders Intl Equity "F" | 7.40 | 2.00 | 59.00 |
| Driehaus International Growth | 6.50 | 2.08 | 99.00 |
| Excelsior "Inst" Internatl Equity | 7.00 | 1.10 | 53.00 |
| Julius Baer International Equity | 6.90 | 1.99 | 77.00 |
| Marshall International Stock "Y" | 7.20 | 1.69 | 54.00 |
| MassMutual Internatl Equity "S" | 7.10 | 1.25 | 57.00 |
| Morgan Grenfell Intl Sm Cap "Inst" | 7.70 | 1.45 | 61.00 |
| New England "A" Internatl Equity | 7.00 | 2.03 | 88.00 |
| Pilgrim Internatl Small Cap "A" | 7.00 | 2.14 | 122.00 |
| Republic International Equity | 7.20 | 1.29 | 71.00 |
| Sit International Growth | 6.90 | 1.70 | 51.00 |
| Smith Barney "A" Internatl Equity | 7.00 | 1.48 | 60.00 |
| State St Research "S" Intl Equity | 7.10 | 1.85 | 50.00 |
| Strong International Stock | 6.50 | 1.81 | 93.00 |
| Vontobel International Equity | 7.00 | 1.70 | 47.00 |
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Elementary Statistics
Authors: Mario F. Triola
12th Edition
0321836960, 978-0321836960
