Locate the strongest correlation coefficient (i.e., closest to +1.0 or -1.0). Re

Question

Locate the strongest correlation coefficient (i.e., closest to +1.0 or -1.0). Report the r value and identify the two variables. Give a verbal interpretation of the correlation coefficient using the variable descriptions.

correlations Teaching skills of instructor Quality of tests & exams Instructor's perceived knowledge of subject Student's expected grade Overall quality of lectures Enrollment in course Overall quality of lectures 804 596 682 301 -.240 094 50 Pearson Correlation Sig. (2-tailed) 034 50 50 Teaching skills of instructor Pearson Correlation 804 720 526 469 .451 Sig. (2-tailed) 001 001 Quality of tests & exams Pearson Correlation 596 720 451 610 .558 Sig. (2-tailed) 001 50 .128 Instructor's perceived knowledge of subject Pearson Correlation 682 526 451 224 Sig. (2-tailed) 001 118 376 50 301 034 50 .240 094 50 610 224 118 50 .128 376 50 Student's expected grade Pearson Correlation 469 .337 Sig. (2-tailed) 001 50 50 Enrollment in course Pearson Correlation .451 .558 .337 Sig. (2-tailed) 001 50 50 ** Correlatinn ie in

Explanation / Answer

There is strong positive correlation between overall quality of lectures and teaching skills of instrcutor (r=0.804, p=0.000); and strong negative correaltion between quality of tests and exams and enrollment in scores (r=-0.558, p=0.000)

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