The following table shows the annual returns (in percent) for T. Rowe Price's Value and international Stock funds for the time period: 2005-2009. Q Cick here for the Excel Data File a-1. Colculate the sample covariance between returns, (Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) a-2. Interpret the covariance between returns. b-1. Calculate the sample coefficient of correlation, (Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) -2. Interpret the correlation coefficient between returns