Suppose We Have a Distribution of Student Exam Scores on an Easy

Multiple Choice

Suppose we have a distribution of student exam scores on an easy test. What measure of spread would be best to describe this data?

A) The spread should be described with the standard deviation because the distribution will be symmetric.
B) The spread should be described with the IQR because the distribution will be symmetric.
C) The spread should be described with the standard deviation because the distribution will be skewed to the left.
D) The spread should be described with the IQR because the distribution will be skewed to the left.