Your instructor comes to class with the results of the last quiz. She tells you that the average score was 7 (out of a possible 10) and that the median was 6. These are measures of ____.
a. dispersion
b. central tendency
c. variance
d. range
Question 2
Malcolm discovers that he has made 903 observations for his research study. Which abbreviation would he use to denote the total number of observations made?
a. X
b. Y
c. SD
d. N