A univariate hypothesis test using the t distribution, which is used when the standard deviation is unknown and the sample size is small, is called the ________

An item of inventory purchased this period for $15.00 has been incorrectly written down to its current replacement cost of $10.00. It sells during the following period for $30.00, its normal selling price, with disposal costs of $3.00 and normal profit of $12.00. Which of the following statements is not true?

a. The cost of sales of the following year will be understated. b. The current year's income is understated. c. The closing inventory of the current year is understated. d. Income of the following year will be understated.

Managers can help an organization achieve its goals by: (Choose all that apply.)

-carefully selecting members of self-managed work teams. -giving teams enough responsibility and autonomy to be truly self-managing. -making sure a team's work is simple and not complex, with few steps. -saving money by providing little training.