Scenario 2.3 A Job Consists of Three Elements. Twenty Observations for Each

Scenario 2.3
A job consists of three elements. Twenty observations for each element were timed, and the resulting data are shown in the following table. A performance rating has also been assigned for each element, as shown in the table. The job has an allowance of 15% of normal time.

-Use the information in Scenario 2.3. What is the normal time for job element #1?

A) greater than or equal to 3 minutes
B) less than 3 minutes but greater than or equal to 2.6 minutes
C) less than 2.6 minutes but greater than or equal to 2.2 minutes
D) less than 2.2 minutes