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STAT 202: Probability, Hypothesis Testing, and Regression

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STAT 202: Probability, Hypothesis Testing, and Regression

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STAT 202: Probability, Hypothesis Testing, and Regression

standard deviation in a population - answers✔✔σ

standard deviation in a sample - answers✔✔S

selected score - answers✔✔x

mean score in a population - answers✔✔µ

mean score in a sample - answers✔✔x bar

standard error - answers✔✔σ(subscript x bar)

Z score

tell you where score is relative to the mean

Population = first

Sample = second

(selected score - mean/standard deviation) - answers✔✔What do these equations represent?

(x−µ) ÷ σ

or (x - x bar) ÷ S

Determining selected score from z score

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stat 202 probability hypothesis testing and reg

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STAT 202: Probability, Hypothesis Testing, and Regression

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