Do various financial indicators differ significantly according to type of company? Using the "Excel Databases. xls" file on Blackboard, locate the tab for the Financial Database. Let Type of Company be the independent variable with seven levels (Apparel, Chemical, Electric Power, Grocery, Healthcare Products, Insurance, and Petroleum for Types 1 – 7, respectively. Perform a one-way ANOVA using Excel with Earnings Per Share as the dependent variable to test if there is a significant difference in earnings per share between the 7 types of companies. (hint: you will have to organize the data appropriately to perform the one-way ANOVA in Excel). Assume a 5% level of significance. What is the average earnings per share for Petroleum companies? Write your answer as a number, round to 3 decimal places.