At a school, several teachers held a contest. Mrs. Mariam’s class earned 94 points, Mrs. Aisha’s class earned 92 points Mrs. Fatima’s class earned 84 points and Mrs. Moaza’s class earned 94 points. Which one of the following statements is incorrect? a. The mean value of the data is smaller than the median median.
b. More than 50% of the data is larger than the mean value.
c. At least 50% of the data is less than the mean value
d. The difference between the median and the mean is two.