According to a recent AAA survey, about 20% of Americans say they?re likely to buy an electric
Question:
According to a recent AAA survey, about 20% of Americans say they?re likely to buy an electric car in the future. Actually, sales of electric cars increased by 25% between 2016 and 2017. To serve U.S. customers, Consumer Research is currently testing the new Nissan Leaf, Tesla Model 3, and Chevy Bolt. I asked some of my colleagues who own electric cars about their satisfaction with them because I am interested in buying one. The following table shows the results of my survey. These data can also be found in the Excel file cars.xlsx.
a. Perform a one-way ANOVA using ? = 0.01 to determine if a difference exists in the average satisfaction rating.
b. If appropriate, perform a multiple comparison test to determine which pairs are different using ? = 0.01.
c. Verify your results using Excel.
Step by Step Answer:
a H 0 1 2 3 H 1 Not all are equal Because F x 754 is gr...View the full answer
