Use the Following Information for Questions

Short Answer

Use the following information for questions:
Ms. Jackson of the Employment Agency believes that the agency receives an average of 16 complaints per week. Mr. Vermeer, the boss, thinks it is less. A sample of 10 weeks yields an average of 14 complaints per week with a standard deviation of 3 complaints.
-What is the value of the observed t-statistic when comparing the sample mean to the average perceived by Ms. Jackson?