For example, in week 3, the average confidence rating was 4.3 out of 9, rising to 5.1 in week 4, 6.1 in week 5, 7.1 in week 6, and 8.1 in week 7. Similarly, the average anxiety level began at 50 out of 90 in week 3 and then dropped to 30 out of 90 by week 7. Furthermore, the number of hours spent on research-related activities significantly rose with time, starting with an average of 7 hours per week in week 3 and rising to 13 hours per week in week 7. how can i make this better into statistics