1- Suppose Charlene Brewster has times (in seconds) of 8.3,8.6,8.2,8.4,8.6,8.4 and a performance rating of 85 %. The normal time for this operation = _____enter your response here seconds (round your response to two decimal places). Based on the normal time and the observed times, Charlene's work performance should be rated as

options: slower than normal, same as normal or faster than normal

2- a ) suppose Demarr has times (in seconds) of 8.5,8.6,8.2,8.6,8.6,8.6 and a performance rating of 105%. The normal time for this operation = _____ seconds (round in two decimal places)

3- Virginia College promotes a wide variety of executive training courses for firms in the Arlington, Virginia, region. Director Wendy Tate believes that individually typed letters add a personal touch to marketing. To prepare letters for mailing, she conducts a time study of her secretaries. On the basis of the observations shown in the following table, she wishes to develop a time standard for the whole job.

Element Performance Rating 1 2 3 4 5 6 Typing letter 80 2.5 3.5 2.8 2.0 2.7 3.2 Typing envelope 100 0.8 0.7 0.7 0.7 3.2 0.8 Stuffing envelope 85 0.4 0.5 1.8 0.4 0.5 0.6 Sealing, sorting 130 0.9 3.0 0.8 1.0 4.3 0.8

*

Disregardsecretary stopped to answer the phone

^

Disregardinterruption by supervisor

The college uses a total allowance factor of 12%. Tate decides to delete all unusual observations from the time study.

The standard time for this process = ___ minutes (round to two decimal )

4- A random work sample of operators taken over a1,130-hour

work month at Tele-Marketing, Inc., has produced the following results.

On phone with customer	840 hours
Idle time	200 hours
Personal time	90 hours

The percentage of time spent working =______

enter your response here% (enter your response as a percentage rounded to one decimal place).