A recent survey reported that in a sample of 300 students who attend community colleges, 105 work at least 20 hours a week. In a sample of 225 students attending universities, only 20 students were found to
Work at least 20 hours per week. What is the test value?
A) 6.95
B) 7.61
C) 2.38
D) 4.18

Question

Quizplus · Accepted Answer

The test value is calculated using the formula for the z-test for two proportions. The proportions are 105/300 for community college students and 20/225 for university students. The calculated z-value is approximately 6.95.

A Recent Survey Reported That in a Sample of 300