For the Apple prices smoothed in Exercise 5, the actual value for January 2007 was 1.034. Find the absolute percentage error of your forecast.
Answer to relevant QuestionsFor the Gas prices of Exercise 6, the actual value for January 2007 was 2.321. Find the absolute percentage error of your forecast. Refer to Exercise 11. In exercise a) State the null and alternative hypotheses. b) Calculate the F-ratio. c) What is the P-value? d) State your conclusion at α = .05. An advertisement selling specially designed CDs of Mozart’s music specifically because they will “strengthen your mind, heal your body, and unlock your creative spirit” claims that “in Japan, a brewery actually ...A sample of eight states was selected randomly from each of three regions in the United States (Northeast, Southeast, and West). Mean annual salaries for marketing managers were retrieved from the U.S. Bureau of Labor ...Some people believe that the stock market shows patterns according to the day of the week or the month of the year (“Sell in May and walk away”). We have the closing price of the Dow Jones Industrial Average for every ...
Post your question