Refer to the team project on page 73 that uses the data in Bond Funds. Construct all appropriate confidence interval estimates of the population characteristics of below-average-risk, average-risk, and above-average-risk bond funds. Include these estimates in a report to the vice president for research at the financial investment service.
The file Bond Funds contains information regarding nine variables from a sample of 184 mutual funds:
Fund number-Identification number for each bond fund
Type-Bond fund type (intermediate government or short-term corporate)
Assets-In millions of dollars
Fees-Sales charges (no or yes)
Expense ratio-Ratio of expenses to net assets in percentage
Return 2009-Twelve-month return in 2009
Three-year return-Annualized return, 2007-2009
Five-year return-Annualized return, 2005-2009
Risk-Risk-of-loss factor of the mutual fund (below average, average, or above average)