Whether there has been significant improvement in rating

Reference no: EM131408910

Prior to taking an aerobics class, each of 12 healthclub members is asked to rate the instructor on a scale in which 3 = "excellent," 2 = "good," and 1 = "poor." Following the class, each student is again asked to rate the instructor.

Given the following before-and-after ratings, use the 0.05 level in determining whether there has been a significant improvement in the ratings received by the instructor.

	Student
	1	2	3	4	5	6	7	8	9	10	11	12
Precourse Rating	1	3	2	2	2	2	1	3	1	2	2	1
Postcourse Rating	2	2	3	3	3	2	3	3	3	2	3	2

Reference no: EM131408910

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