On the first exam in an introductory statistics class most students did very well and only a few did poorly. How would you describe the distribution of test scores?
A)Symmetrical
B)Skewed to the left
C)Having a floor effect
D)Skewed to the right

Question

Quizplus · Accepted Answer

If most students did very well and only a few did poorly, then the distribution is not symmetrical. It is also not skewed to the right as that would indicate most students did poorly and only a few did well. Thus, the only remaining option is B, which indicates a distribution that is skewed to the left, with the majority of scores being higher and only a few being lower. There is no evidence of a floor effect based on the given information.

On the First Exam in an Introductory Statistics Class Most