Virginia College promotes a wide variety of executive-training courses for firms in the Arlington, Virginia, region. Director Marilyn Helms 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.
The college uses a total allowance factor of 12%. Helms decides to delete all unusual observations from the time study. What is the standard time?

aDisregard––secretary stopped to answer the phone.
bDisregard––interruption by supervisor.

  • CreatedJuly 23, 2013
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