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August 22, 2014

Homework Help: statistics

Posted by John on Sunday, February 12, 2012 at 8:10pm.

. A professor is interested in knowing the correlation, if any, of studentsí scores on the first and second exams given in his class.



Test 1 Test 2
92 86
90 87
89 85
82 90
88 79
92 90
100 92
91 84

Is there a significant correlation? Explain its statistical significance, if any.




With respect to the situation in the above question , what other test could the professor use that would yield valid results by looking for differences. What would be the statistical result of the test?

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