Two classes, Class X and Class Y, took the same 10-point quiz. The frequency tables below show the scores for each class.
Class X Scores
| Score | Frequency |
|---|---|
| 6 | 2 |
| 7 | 4 |
| 8 | 5 |
| 9 | 3 |
| 10 | 1 |
Class Y Scores
| Score | Frequency |
|---|---|
| 6 | 1 |
| 7 | 3 |
| 8 | 5 |
| 9 | 4 |
| 10 | 2 |
Which of the following statements best compares the mean scores of the two classes?
The mean score of Class X is greater than the mean score of Class Y.
The mean score of Class Y is greater than the mean score of Class X.
The mean score of Class X is equal to the mean score of Class Y.
There is not enough information to compare the means.
