Question

Years to Earn Bachelor’s Degree: Listed below are the lengths of time ( in years) it took for a random sample of college students to earn bachelor’s degrees ( based on data from the U. S. National Center for Education Statistics). Based on these results, does it appear that it is common to earn a bachelor’s degree in four years?
4 4 4 4 4 4 5 5 5 5 5 5 6 6 8 9 9 13 13 15

Answer 1

How do you define "common?"

Answer 2

From the sample, with only 6 of 20 earning the degree in 4 years, it does not seem "common."