Question
The Pearson correlation between Percent Attendance and Percent Grade is higher (r = .581) than the Spearman correlation for the same variables (r = .480).
The Pearson correlation between Percent Attendance and Percent Grade is higher (r = .581) than the Spearman correlation for the same variables (r = .480). Why is this so?
a) The Pearson correlation is parametric, requiring both variables to be nominal or ordinal
b) The Spearman correlation is parametric, requiring both variables to be nominal or ordinal
c) The Pearson correlation is parametric and more powerful, requiring both variables to be ratio or equal interval
d) The Spearman correlation is parametric, requiring both variables to be ratio or equal interval
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Cambridge IGCSE And O Level Additional Mathematics Coursebook
Authors: Sue Pemberton
2nd Edition
1108411665, 9781108411660
