1) Define and provide examples:
   sampling distribution
hypothesis test
   confidence interval
significance level
   Type I error (α)
   Type II error (β)
2)  An epidemiology researcher claims that the mean time to review a document is less than 10 hours. Historical studies from 30 documents revealed that the mean time to review such documents is equal to 12 hours with a standard deviation of 1.5 hours. Do you agree with the epidemiology researcher?