Posted by **sue** on Thursday, March 12, 2009 at 7:47pm.

Our students were asked to rate their admiration of Hillary Rodham Clinton on a scale of 1 to 7. They were asked to rate their Jennifer Lopez and Venus Williams on a scale of 1 to 7. The mean rating of Clinton was 4.06 with a standard deviation of 1.70. The mean rating of Jennifer Lopez was 3.72 with a standard deviation of 1.90 and the mean rating of Venus Williams was 2.58 with a standard deviation of 1.46. One of our students rated her admiration of Clinton and Williams at five and her admiration of Lopez at 4.

a.

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stats(help) - Sue , Thursday, March 12, 2009 at 5:49pm

1)

What is her z score of her admiration rating of Clinton?

I know I am suppose to use the population formula( right?)

5-4.06/1.70=0.55

Please explain to me what I am doing incorrectly.

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