F I L E (Use Excel) A human resource specialist wants to determ ine w h eth er the average jo b satisfaction score (on a scale of 0 to 100) is the same for three different industries and three types o f work experience. A randomized block experim ent w ith interaction is performed. The results are shown in the accompanying table and are also available on the text website, labeled Job Satisfaction.

Work Experience Industry A B C Less than 5 years 77 66 81 67 58 59 82 54 64 Five up to 10 years 93 65 57 92 60 49 97 68 72 10 years or more 58 75 60 78 57 45 91 47 59

a. Use Excel to generate the appropriate ANOVA table.

b. At the 5% significance level, is there interaction between industry and work experience?

c. At the 5% significance level, can you conclude th at job satisfaction differs by industry?

d. At the 5% significance level, can you conclude that job satisfaction differs by work experience?P-36