The following ten scores were obtained on a 20-point quiz: 4, 5, 8, 9, 11, 13, 15, 18, 18, and 20

The teacher computed the usual descriptive measures of center (central tendency) and variability (dispersion) for these data, and then discovered an error was made. One of the 18s should have been a 16. Which of the following measures, calculated on the corrected data, would change from the original computation?A) median
B) arithmetic mean
C) range
D) geometric mean

B