3

Given the following situation, match the error statement with its correct error type.

A Statistics teacher has observed that for several years about 13% of students who initially enroll in his Beginning Statistics course drop out before the end of the semester. A salesman introduces him to some computer software that may help students understand the material and stay more engaged. However, the software is expensive. The salesman gives the teacher a one-semester trial period.

H_o: p .13

H_a: p < .13

Column A

1. Type I Error

2. Type II Error

Column B

a. The dropout rate is less than 13% but the teacher does not purchase the program.

b. The dropout rate is less than 13% but the teacher purchases the program.

c. The dropout rate is 13% or greater but the teacher does not purchase the program.

d. The dropout rate is 13% or greater but the teacher purchases the program.