After studying and reviewing the concepts and practices of Workshop 7, answer all the questions provided on the concepts of module #6: Analysis of variance (ANOVA)

1. Arbitron Media Research, Inc., conducts a study on listening habits Men's and women's iPods. One part of the study included the median time to listen. The average listening time for men was found to be 35 minutes per day. The sample standard deviation of the 10 men studied was 10 minutes per day. The average listening time of 12 women studied was also 35 minutes, but the standard deviation sample was 12 minutes. At the 0.10 significance level, can you conclude that there is a difference between the variations of the listening times of the men and women?

2. The manager of a software package company wants to study the number of hours that managers of various companies use their computers. The manager selected a sample of five executives from each one of three industries. At the 0.05 level of significance, can the manager conclude that there is a difference between the average hours per week that are do you use computers in industry?