From a population of 200 elements, a sample of 49 elements is selected. It is determined that the sample mean is 56 and the sample standard deviation is 14 . The standard error of the mean is
a. 3
b. 2
c. greater than 2
d. less than 2
D
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Which of the following methods of sales forecasting uses the averages of historical sales figures to make a forecast?
A) econometric models B) leading average C) linear extrapolation D) moving average
Which of the following is/are elements of a derivative?
a. A derivative has one or more underlyings. An underlying is an observable variable such as a specified interest rate, or commodity price, or foreign exchange rate. b. A derivative has one or more notional amounts. A notional amount is a number of currency units, bushels, shares, or other units specified in the contract. c. A derivative sometimes requires no initial investment. d. Derivatives typically require, or permit, net settlement, which means that when the counterparties settle the derivative contract, one of the contracting parties pays the other the fair value of the contract. e. all of the above
Lako Systems has recently implemented a training program to prepare employees for skilled-trade positions at the company. The trainees receive on and off the job instructions and are paid somewhat reduced wages that increase over time as their skills increase. This program is known as apprenticeship training.
Answer the following statement true (T) or false (F)
Use the information in Case 6.1. How many Kanban containers would be required if a 10% policy variable is used?
A) three or fewer B) four or five C) five or six D) seven or more