49. Which of the following is NOT a measure of central tendency?
A. mean
B. median
C. mode
D. variance

50. Which of the following is NOT true regarding the mean?
A. The mean is calculated by dividing the sum of the data by the total number of data.
B. The mean is also called the average. C. The mean is the preferred measure of central tendency because it considers all of the values in the data set.
D. The mean is good for data sets that contain outliers.

51. This statistical number is the middle number of the data set.
A. mean
B. median
C. mode
D. range

52. Calculate the median for this set of data 22, 32, 44, 11, 5, 28, 19, 30.
A. 22
B. 24.5
C. 25
D. 28​