Management of Melodic Kortholt Company compared absenteeism rates in two plants on the third Monday in November.Of Plant A's 800 employees,120 were absent.Of Plant B's 1200 employees,144 were absent.MegaStat's results for a two-tailed test are shown below. The test statistic (shown as z = x.xx)is approximately:
A) 2.022
B) 1.960
C) 1.942
D) 1.645

Question

Quizplus · Accepted Answer

The absenteeism rate for Plant A is 120/800 = 0.15 and for Plant B is 144/1200 = 0.12. The test statistic for comparing two proportions is calculated using the formula for the z-test for two proportions, which results in approximately 1.942.

Management of Melodic Kortholt Company Compared Absenteeism Rates in Two