If the correlation between how much a joke makes sense and how offended you are

Question

If the correlation between how much a joke makes sense and how offended you are by it is -40, then how much of the variability in offensiveness can be explained by sense-making? 16% 36% 45% You need to know the sample size to answer this. Pearson's correlation coefficient is typically used in psychology to measure ___ relationships. Curvilinear Linear Both None of the above You should use a point-biserial correlation when ___. When one of the two variables is dichotomous. When both X and Y consist of ranks When both X and Y are dichotomous variables All of the above

Explanation / Answer

27)varaibility explained =r2 =(0.4)2 =0.16~ 16%

28) linear relationship

29 ) point biseral correlation when one of the variable is dichotomous.

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