A. The following data scores obtained in an aptitude test of 20 applicants (grouped into two) for a clerical position in a certain company. Group 1. 8, 24, 11, 24, 22, 15, 23, 12, 9, 14 Group 2. 21,...

Extracted text: A. The following data scores obtained in an aptitude test of 20 applicants (grouped into two) for a clerical position in a certain company. Group 1. 8, 24, 11, 24, 22, 15, 23, 12, 9, 14 Group 2. 21, 34, 23, 25, 27, 20, 29, 30, 30, 28 Do the following: Determine the variance, mean deviation, and standard deviation. b. Which group is more varied in terms of their scores? Why? a.