Data set P: 10, 20, 30.
Data set Q: 5, 15, 25, 35.
The lists give the values in data sets P and Q. Which statement correctly compares the mean of data set P and 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 less than the mean of data set Q.
The means of data set P and data set Q are equal.
There is not enough information to compare the means.
