Data set P: 2, 4, 6;
Data set Q: 1, 3, 5.
Which of the following statements correctly compares the means of data set P and data set Q?
The mean of data set P is less than the mean of data set Q.
The mean of data set P is equal to the mean of data set Q.
The mean of data set P is greater than the mean of data set Q.
The mean of data set P is 4, and the mean of data set Q is 3.
