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[DOC File]Review 2
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Understanding the Pearson Correlation Coefficient (r) The Pearson product-moment correlation coefficient (r) assesses the degree that quantitative variables are linearly related in a sample. Each individual or case must have scores on two quantitative variables (i.e., continuous variables measured on the interval or ratio scales).
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[DOCX File]Correlation Coefficient Worksheet
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A Pearson’s correlation coefficient of –.5 would be represented by a scatterplot in which: The data cloud looks like a circle and the regression line is flat. The regression line slopes upwards.
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[DOC File]BIVARIATE CORRELATION
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calculate the coefficient of determination, r. 2, and interpret in the context of the association being modelled and use the model to make predictions, being aware of the problem of extrapolation ... Pearson’s product-moment correlation coefficient. 2, 11, 12, 14. 3.5 . Calculating r . and the coefficient of determination1, 3, 5, 6, 8, 10, 16 ...
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[DOC File]Rule of Thumb for Interpreting the Size of a Correlation ...
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0.20 0.40 0.60 If the coefficient of determination is 0.30 what is the coefficient of non-determination? 0.09 0.30 0.60 0.70 X. A _____ is appropriate when both variables are measured on an interval or ratio scale. Pearson product-moment correlation. Spearman rank correlation coefficient.
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[DOC File]Chapter 1
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Correlation Coefficient WorksheetName: Calculator steps for creating a scatter plot: Stat. Edit – put x’s in L1 and y’s in L1. 2nd y = Choose first type of graph. Calculator steps for finding “r” and graphing: Stat. Calc #4 (LinReg) Vars. Y-vars. Y1. Enter. Enter.
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[DOCX File]CHAPTER
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29) The coefficient of determination is equal to the positive square root of Pearson’s r. FALSE 30) The correlation coefficient is positive when y increases as x increases.
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r² or R² — When to Use What. Graphical explanation of the square…
Coefficient of determination = (Pearson’s sample correlation coefficient)2. The standard deviation about the least squares line is given by Roughly speaking, se is the typical amount by which an observation deviates from the least squares line.
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[DOC File]Name:
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C coefficient. Cramer’s V ( and ((Rank-biserial Point-biserial Ordinal Rank-biserial. Tetrachoric. Spearman (Biseral Interval/Ratio Point-biserial. Biserial rb Pearson r From: Hinkle, Wiersma, & Jurs (2003). Applied Statistics for the Behavioral Sciences (5th ed.). Title: Rule of Thumb for Interpreting the Size of a Correlation Coefficient ...
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[DOC File]Correlation and Regression
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“Coefficient of determination” ... Pearson r. used when X & Y are at least interval level. Many types of correlation coefficients for other data. Spearman ( ordinal (rank) data. Point-biserial ( nominal X, interval/ratio Y. Phi
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[DOC File]UNDERSTANDING THE PEARSON CORRELATION …
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The coefficient of determination is a number between 0 and 1, inclusive. That is, If r2 = 0, the least squares regression line has no explanatory value. If r2 = 1, the least-squares regression line explains 100% of the variation in the response variable.
coefficient of determination and correlation

Coefficient of determination and pearson