Whenever the population standard deviation is unknown and the population has a normal or near-normal distribution, which distribution is used in developing an interval estimation?
a. standard distribution
b. z distribution
c. alpha distribution
d. t distribution
D
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A high inventory turnover ratio normally indicates inefficient inventory policies.
Answer the following statement true (T) or false (F)
Which of the following is TRUE of good internal controls over payroll?
A) Accounting for payroll should be separate from hiring and firing of employees. B) Disbursement of paychecks should not be separate from the function of maintaining payroll records. C) Hiring and firing employees should not be separated from accounting and from disbursing paychecks. D) Cash receipts from customers should be separated from the accounting for accounts receivable.
Complying with the filing requirements of the IRS is an example of a:
A) recreational activity B) discretionary activity C) recommended activity D) required activity
Which critical ratio value implies that a job is already late?
A) more than 100 B) 1 C) less than 1 D) 10 E) 3.4