Forty professionalaeronautics students enrolled in a psychology course were asked howmany hours they had studied during the past weekend. Theirresponses are provided below.
11 | 2 | 0 | 13 | 5 | 7 | 1 | 8 | 12 | 11 |
7 | 8 | 9 | 10 | 7 | 4 | 6 | 10 | 4 | 7 |
8 | 6 | 7 | 10 | 7 | 3 | 11 | 18 | 2 | 9 |
7 | 3 | 8 | 7 | 3 | 13 | 9 | 8 | 7 | 7 |
For the data above, construct afrequency table and histogram. Evaluate the graphics.
Is the data normallydistributed? If not, is it positively or negatively skewed? Isthere kurtosis?