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Ace Cash Express Stock Price - AACE | ADVFN

Consider the daily log returns of American Express stock from January 1994 to December 2003 as in Exercise 1.1. Use the 5% significance level to perform the following tests. (a) Test the null hypothesis that the skewness measure of the returns is zero. (b) Test the null hypothesis that the excess kurtosis of the returns is zero. | Numerade

The file P1216.xlsx contains the daily closing prices of American Express stock for an eight-week period. Using a span of 3, forecast the price of this stock for the next trading day with the moving average method. Round your answer to the nearest cent, if necessary.How well does this method with a span of 3 forecast the known observations in this series? Round your answer to three decimal places, if necessary.Root mean square error:Using a span of 6, forecast the price of this stock for the nex