Five students reported the number of books they read over the summer. The table shows an original data set of the number of books each student read.
| Student | Number of books |
|---|---|
| S1 | 12 |
| S2 | 15 |
| S3 | 10 |
| S4 | 13 |
| S5 | 11 |
A sixth student, who read books, is added to create a new data set. Which of the following correctly compares the means of the two data sets?
The mean of the original data set is greater than the mean of the new data set.
The mean of the original data set is less than the mean of the new data set.
The means of both data sets are equal.
There is not enough information to compare the means.
