Calculate the test statistic. Nine students took the SAT test. Their scores are

Question

Calculate the test statistic. Nine students took the SAT test. Their scores are listed below. Later on, they took a test preparation course and retook the SAT. Their new scores are listed below. Calculate the test statistic w_s for a wilcoxon signed-rank test used to test the claim that the test preparation had no effect on their scores. 41 -4 -41 4 Calculate the test statistic The table below lists the verbal and math SAT scores of 10 students selected at random. Calculate spearman's rank correlation coefficient, T_s in order to test the claim of no correlation between verbal and math SAT scores. -0.0192 -0.216 -0.006 -0.326

Explanation / Answer

The given question deals with the study of the Wilcoxon Signed rank test statistic and the Spearman rank correlation of the two given data sets and the statistics are,

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