Education: Media Usage In a study of media usage versus education level, an index was used to measure media usage, where a measurement of 100 represents the U.S. average. Values above 100 represent aboveaverage media usage.

Education Level Media Streaming Movies Online Gaming Streaming Music Online Forums Social Media Less than high school 80 112 87 76 85 High school graduate 103 105 100 99 101 Some college 107 94 106 105 107 College graduate 108 90 106 116 108

(a) List the factors and the number of levels of each factor.

(b) Assume there is no interaction between the factors.
Use two-way ANOVA and the following Minitab printout to determine if there is a difference in population mean index based on education. Use a 5 0.05.

(c) Determine if there is a difference in population mean index based on media. Use a 5 0.05.AppendixLO1