A personal development seminar was attended by 190 person with low self-esteem and 202 with medium self-esteem. At the conclusion of the seminar, the motivational speaker asked participants whether their self-esteem improved or not. The organizers claim that both groups are not equally benefited by attending the seminar. Confirm that these data establish a difference in the proportions who did not benefit by attending the seminar using: A) The X² test with level $\alpha$=0.01. B) The Z test with level $\alpha$=0.01.

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The Answer of A personal development seminar was attended by 190 person with low self-esteem and 202 with medium self-esteem. At the conclusion of the seminar, the motivational speaker asked participants whether their self-esteem improved or not. The organizers claim that both groups are not equally benefited by attending the seminar. Confirm that these data establish a difference in the proportions who did not benefit by attending the seminar using: A) The X² test with level $\alpha$=0.01. B) The Z test with level $\alpha$=0.01.

A Personal Development Seminar Was Attended by 190 Person with Low