Transcription of Important Concepts not on the AP Statistics Formula Sheet
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Important Concepts not on the AP Statistics Formula Sheet
Important Concepts not on the AP Statistics Formula Sheet Part I: IQR = Q3 Q1 Linear transformation: When describing data: Histogram: Test for an outlier: Addition: affects center NOT describe fairly symmetrical (IQR) above Q3 or below spread center, spread, and unimodal Q1 adds to , M, Q1 , Q3, IQR shape. The calculator will run the test for you as long as you not Give a 5 number choose the boxplot with the summary or mean and oulier on it in STATPLOT Multiplication: affects both standard deviation when center and spread necessary. multiplies , M, Q1 , Q3, IQR, . skewed Skewed left Ogive (cumulative Boxplot (with an right frequency) outlier). Stem and leaf Normal Probability Plot r: correlation coefficient, The strength of the linear relationship of data. Close to 1 or -1 is very close to linear HOW MANY STANDARD r2: coefficient of DEVIATIONS AN determination.
Important Concepts not on the AP Statistics Formula Sheet Part I: IQR = Q 3 – Q 1 Test for an outlier: 1.5(IQR) above Q 3 or below Q 1 The calculator will run the test for you as long as you choose the boxplot with the oulier on it in STATPLOT Linear transformation: Addition: affects center NOT spread adds to , M, Q 1 , Q 3, IQR not σ
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