Chapter 15: Correlations Matching Questions ( 20-23): Bubble in the correspondin
ID: 3318265 • Letter: C
Question
Chapter 15: Correlations Matching Questions ( 20-23): Bubble in the corresponding letter for the terms most closely matched, with respect specifically to the scales of measurement for different forms of linear correlations. 20.) Pearson Correlation 21.) Spearman Correlation 22.) Point-Biserial Correlation a. one variable measured on interva/ratio scale, one on nominal b. both variables measured on interval/ratio scales c. both variables measured on nominal scales d. both variables measured on ordinal scales 23.) Phi-coefficient 24.) In general, what information is contained in the numerator of the test statistic for a correlation? how each variable (X and Y) cause changes in a third variable (Z) b. how each variable (X and Y) vary separately Chow each variable (X and Y) co-vary together d. how each variable (X and Y) cause each other 5 1 What das the coefficient of determination (r) measure?Explanation / Answer
Matching Questions
Q 20 - Pearson's Correlation - b) both variables measured on interval/ratio scales
Q 21- Spearman Correlation - d) both variables measured on ordinal scales
Q 22 -Point Biserial Correlation - a) One variable measured on interval/ratio scale, one on nominal
Q 23 - Phi- Coefficient - c) both variables measured on ordinal scales
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