The test scores of students in two classes are summarized in the table below.
| Class | Number of Students | Mean Score | Standard Deviation |
|---|---|---|---|
| M | 32 | 74 | 6.7 |
| N | 32 | 74 | 10.2 |
Which of the following statements is true based on the table?
The scores in Class N are closer to the mean than those in Class M.
The scores in Class M are less variable than those in Class N.
Class M and Class N have the same distribution.
The highest score in Class M is higher than in Class N.