Sampling error can be avoided Multiple Choice
by no method under the statistician’s control.
either by using an unbiased estimator or by eliminating nonresponse.
by using an unbiased estimator.
by eliminating nonresponses (e. g., older people).

What is overdraft protection (odp)? a.) a cheap and easy way to always avoid overdrawing a bank account b.) a service to automatically transfer available funds from a linked account to cover purchases, prevent returned checks and declined items when you don’t have enough money in your checking account at the time of the transaction. c.) an insurance policy sold by banks to prevent others from withdrawing your money d.) a service provided by the government that insures individuals bank deposits up to $250,000

Southeastern bell stocks a certain switch connector at its central warehouse for supplying field service offices. the yearly demand for these connectors is 15,000 units. southeastern estimates its annual holding cost for this item to be $25 per unit. the cost to place and process an order from the supplier is $75. the company operates 300 days per year, and the lead time to receive an order from the supplier is 2 working days. a) find the economic order quantity. b) find the annual holding costs. c) find the annual ordering costs. d) what is the reorder point?

Biochemical corp. requires $600,000 in financing over the next three years. the firm can borrow the funds for three years at 10.80 percent interest per year. the ceo decides to do a forecast and predicts that if she utilizes short-term financing instead, she will pay 7.50 percent interest in the first year, 12.15 percent interest in the second year, and 8.25 percent interest in the third year. assume interest is paid in full at the end of each year. a)determine the total interest cost under each plan. a) long term fixed rate: b) short term fixed rate: b) which plan is less costly? a) long term fixed rate plan b) short term variable rate plan