Download the historical prices for the S&P 500 index (~spx or ~gspc) and for VPACX (the Vanguard Pacific Stock Index mutual fund) from Yahoo! Finance, beginning January 1, 2004, and ending December 31 of last year.
Load them into a spreadsheet and position them next to one another.
Compute the historical rates of return.
Compute the risk and reward. Compute VPACX's market beta with respect to the S&P 500 index.
How do your estimates compare to the Fund Risk as noted by Yahoo! Finance?