·用回归分析和其它预测方法分析变量间的关系并预测

将来

需要掌握的主要词语（KEY QA TADEAWAYS）

Decision Trees-A way to graphically show and quantify multiple outcomes of a business decision

Sunk Cost-Investments made in the past that have no bearing on future investment decisions

Expected Monetary Value(EMV)-The blended value of a decision based on the probabilities and malues of all possible outcomes

Accumulated Value —The total future value of cash folws with all earnings reinvested

Net Present Value(NPV)—The total puesent value of all cash flows"discounted"to today's dollars

Internal Rate of Return(IRR)—The discount rate that makes the Net Present Value Value of the cash flows equal

$0 in today's dollars

Probability Distributions—The graph of all possible outcomes with their respective probabilities of occurring

Binomial Distributions — Probability distribution with only two possible outcomes

Normal Distributions—The bell—shaped probability distribution of all possible outcomes

Standard Deviation( σ ) — The measure of the dispersion(width)of the normal distribution

Mean(μ)—The arithmetic average of all outcomes

Z Value—A tool to measure probabilities of specific situations on the normal distribution curve

Cumulative Distribution Function(CDF)—A form of the normal distribution that shows the probability of being less than or equal to all possible outcomes

Regression — A mathematical method of forecasting using line equations to explain the relationships between multiple causes and effects