Question: a) Determine the mean, median, and mode for the following distribution of a population of quantitative scores:

X f

b) Compute precisely the standard deviation and the range for the distribution of scores, and verbally describe the interquartile range.

c) What is the most appropriate pair of descriptors (one measure of central tendency and one measure of variability) to recommend as a description of the distribution of scores? Clarify the rationale for your recommendation.