Data set X: 5, 9, 9, 13.
Data set Y: 5, 9, 9, 13, 27.
The lists give the values in data sets X and Y. Which statement correctly compares the mean of data set X and the mean of data set Y?
The mean of data set X is greater than the mean of data set Y.
The mean of data set X is less than the mean of data set Y.
The means of data set X and data set Y are equal.
There is not enough information to compare the means.
