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1. Researchers want to see whether a student's rank in music class is correlated with student's rank in Spanish. Student ID Rank in Music (Rm)
1. Researchers want to see whether a student's rank in music class is correlated with student's rank in Spanish. Student ID Rank in Music (Rm) Rank in Spanish (Rs) GO01 2 GO02 4 2 GO03 1 3 GO04 5 4 GO05 3 5 GO06 7 6 GO07 6 7 a) Is this a one-tailed or a two-tailed test? b) What is the alternative hypothesis? c) What is the null hypothesis? d) Should we compute a Spearman or a Pearson correlation coefficient? e) What is the degree of freedom? f) What is the critical value of r? (a = 0.05)
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