# Textbook Notes for Jason Rhinelander

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## ECON 250 Chapter Notes - Chapter 1: Standard Deviation, Quartile, Normal Distribution

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Cases are the objects described by a set of data: a variable is a characteristic of a case, different cases have different values for the variables. Ex

View Document## ECON 250 Chapter Notes - Chapter 4: Random Variable, Sample Space, Sampling Distribution

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Chance behaviour is unpredictable in the short run but has a regular and predictable pattern in the long run. A phenomenon is random if individual outc

View Document## ECON 250 Chapter Notes - Chapter 3: Stratified Sampling, Sampling Frame, Response Bias

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## ECON 250 Chapter Notes - Chapter 7: Inference, Standard Deviation, Confidence Interval

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## ECON 250 Chapter Notes - Chapter 4.1-6.4: Binomial Distribution, Random Variable, Sample Space

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Independent trials: the outcome of one trial should not influence the outcome of the next. 40% occur one way 20% occur another, the other. 40% is also

View Document## ECON 250 Chapter Notes - Chapter 6: Confidence Interval, Null Hypothesis, Standard Scale

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By using the 68 95 99. 7 rule, we can assume that 0. 95 of x lies within two standard deviations of x. A confidence interval is calculated using the fo

View Document## ECON 250 Chapter Notes - Chapter 5: Binomial Distribution

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Rule 1: 0 < p(a) < 1 for any event a. Rule 4: p(a or b) = p(a) + p(b) This is the addition rule and only occurs if a and b are disjoint events: disjoin

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