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STATS Assignment Review

# STATS Assignment Review - ASSIGNMENT#1 Review Discrete...

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ASSIGNMENT #1 Review: Discrete Random Variable is when the outcome is countable. As long as the outcome is similar you can use the distribution. Variables typically serve as a form of measurement. When dealing with a random variable you are concerned with 1.) possible outcomes and also 2.) probability. Table below shows probability distribution. X| 1 2 3 4 5 6 |------------------------------------- Probability (will come from hypothesis or experience) .1 .2 .4 .1 .1 .1 Mean = expected value. (point of value for possible outcome representation). Significance of the mean is that you weigh each value the same when computing it. Variance= expected squared deviation from the mean When dealing with statistics the concept refers to the idea. Method refers to how you use the data to get what you need (i.e. computing the mean). E(X) = 1*.1 + 2*.2 + 3*.4 + 4*.1+5*.1+6*.1 MINITAB: Session editor-- Editor-- edit commands. Use “let” command, c3 =c1*c2 Print k1 is the command in order to get K value.

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• Spring '08
• Chen
• Probability theory, editor, discrete random variable, shows probability distribution, possible outcome representation

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STATS Assignment Review - ASSIGNMENT#1 Review Discrete...

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