On january 1, an investment account is worth 400. on july 1, the value has increased to 500 and w is withdrawn from the account. on november 1, the value is 380 and 140 is deposited in the account. on january 1 of the following year, the investment account is worth 500. the time-weighted rate of return is 1.4957%. calculate the dollar-weighted rate of return.

Which is cheaper: eating out or dining in? the mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04 (money. msn website, november 7, 2012). a sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. develop appropriate hypotheses for a test to determine whether the sample data support the conclusion that the mean cost of a restaurant meal is less than fixing a comparable meal at home. b. using the sample from the 100 restaurants, what is the p-value? c. at a = .05, what is your conclusion? d. repeat the preceding hypothesis test using the critical value approach