(11) 3. In a sample of 89 blue collar workers at your company the average job satisfaction rating (in a scale from 0-100) averaged 57 with a standard deviation of 12. In a sample of 78 white collar workers the average job satisfaction was 80 with a standard deviation of 17. a) At the .01 level was there a statistically significant difference in the average job satisfaction between the groups? (p = 0) b) Answer the question in a) with a yes or no response based on the results of the test