Sample data includes nine scores


Employ a significance level of a=0.01 to test the claim that µ > 2.85. The sample data includes nine scores for which (bar) X=3.1 and s=0.52.

A) z=2.896

B) t=2.896

C) z=1.44

D) t=1.44

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Basic Statistics: Sample data includes nine scores
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