For comparison purposes, mutual funds are often grouped into various categories. Do Canadian equity funds and Canadian balanced equity funds differ with respect to percentage of foreign holdings within the funds?
a. Using the data shown, and a 0.01 level of significance, test the claim that there is no difference in foreign content between these fund groups.
b. Construct a 99% confidence interval for ix] - /A" where ^t, is the mean foreign content (in percent) in Canadian equity funds. (Based on data from Mutual Funds Update, published by the Bank of Montreal.)