For the Gas prices of Exercise 6, the actual value for January 2007 was 2.321. Find the absolute percentage error of your forecast.
Answer to relevant QuestionsFor the Apple prices of Exercise 5, find the lag1 version of the prices. In the experiment described in Exercise 3, in fact the study also compared the use of butter or margarine in the recipes. The design was balanced, with each combination of chip type and oil type tested. a) What were the ...The makers of Frumpies, "the breakfast of rug rats," want to improve their marketing, so they consult you. a) They first want to know what fraction of children, ages 10 to 13, like their celery-flavored cereal. What kind of ...A bank is studying the average time that it takes 6 of its tellers to serve a customer. Customers line up in the queue and are served by the next available teller. Here is a boxplot of the times it took to serve the last 140 ...After complaints about gender discrimination regarding bonus incentive pay, a large multinational firm collected data on bonuses awarded during the previous year (% of base pay). Human Resources (HR) randomly sampled male ...
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