hepa Tube The following data for five years of the annual returns for two of Vanguard's...
Need in the next hour. The following table shows the annual retums for two of Vanguard's mutual funds: the Vanguard Energy Fund and the Vanguard Healthcare Fund. Use Table 2 Annual Total Returns (in percent) Year 2004 2005 2006 2007 2008 Energy x 31.40 20.20 18.25 34.00 -34.15 Healthcare y 9.45 14.26 9.72 4.42 -17.42 x13.94 27.74 -4.09 Sy 12.52 Sxy 305.64 SOURCE: www.finance.yahoo.com. Calculate and interpret the sample correlation coefficient rxy (Round intermediate calculations to at least 4 decimal...
A manager at a local bank analyzed the relationship between monthly salary (y, in $) and length of service (x, measured in months) for 30 employees. She estimates the model: Salary = β0 + β1 Service + ε. The following ANOVA table summarizes a portion of the regression results. df SS MS F Regression 1 555,420 555,420 7.64 Residual 27 1,962,873 72,699 Total 28 2,518,293 Coefficients Standard Error t-stat p-value Intercept 784.92 322.25 2.44 0.02 Service 9.19 3.20 2.87 0.01...
Find five years of monthly returns for two mutual funds, Vanguard’s U.S. Growth Fund and U.S. Value Fund, as well as corresponding returns for the S&P 500 and the Treasury-bill rate. (Use Spreadsheet.xls) a. Calculate each fund’s excess rate of return over T-bills in each month. (Negative values should be indicated by a minus sign. Leave no cells blank - be certain to enter "0" wherever required. Do not round intermediate calculations. Round your answers to 2 decimal places.) Total...