In a certain survey, the heights (in centimeters) of a sample of students were recorded.
Data Set: 150, 157, 162, 160, 165, 150, 170
The median height of this data set is represented by $M$, and the mean height is represented by $X$.
Calculate the values of $M$ and $X$, and compare them:
Quantitative Comparison: Which of the following statements is true?