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Question 10.
10.
A group of students made the following scores on a 10-item quiz in
psychological statistics: {5, 6, 7, 7, 7, 8, 8, 9, 9, 10, 10} What is
the mean score? (Points : 4)
6.6
7.2
7.8
8.7
| Question 11. 11. A group of students made the
following scores on a 10-item quiz in psychological statistics: {5, 6,
7, 7, 7, 8, 8, 9, 9, 10, 10} What is the median score? (Points : 4) |
6
7
8
9 |
| Question 12. 12. A group of students made the
following scores on a 10-item quiz in psychological statistics: {5, 6,
7, 7, 7, 8, 8, 9, 9, 10, 10} What is the mode? (Points : 4) |
5
7
8
9 |
| Question 13. 13. A group of students made the
following scores on a 10-item quiz in psychological statistics: {5, 6,
7, 7, 7, 8, 8, 9, 9, 10, 10} What is the range of scores? (Points : 4) |
5
6
7
11 |
| Question 14. 14. A group of students made the
following scores on a 10-item quiz in psychological statistics: {5, 6,
7, 7, 7, 8, 8, 9, 9, 10, 10} What is the variance, treating these scores
as a sample? (Points : 4) |
1.53
1.60
2.33
2.56
