Estimate the single-index model and explain the coefficients o Download weekly data, two years. Calculate the rate of return on both the stock you chose and S&P500 Report and explain R-square and standard error o Report and explain the economic meaning of the coefficients a and B o Report and explain t-stat and p-value of the coefficients a and o Draw residual plot and line fit plot Estimate the single-index model and explain the coefficients o Download weekly data, two years. Calculate the rate of return on both the stock you chose and S&P500 Report and explain R-square and standard error o Report and explain the economic meaning of the coefficients a and B o Report and explain t-stat and p-value of the coefficients a and o Draw residual plot and line fit plot