CAOSExam: CAOS Exam Scores

Description Format Details Source References


Scores on a pre-test and post-test of basic statistics concepts


A datset with 10 observations on the following 3 variables.

Student ID code for student
Pretest CAOS Pretest score
Posttest CAOS Posttest score


The CAOS (Comprehensive Assessment of Outcomes in First Statistics Course) exam is designed to measure comprehension basic statistical ideas in an introductory statistics course. This dataset has scores for ten students who took the CAOS pre-test at the start of a course and the post-test during the course itself. Each exam consists of 40 multiple choice questions and the score is the percentage correct.


A sample of 10 students from an introductory statisics course.


Find out more about the CAOS exam at

Lock5Data documentation built on May 31, 2017, 3:56 a.m.