Test the claim that the population of sophomore college students has a mean grade point average greater than 2.3 . Sample statistics include n=180 , x¯¯¯=2.4 , and s=0.7 . Use a significance level of α=0.05 . The Z score is    The P-Value is

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Test the claim that the population of sophomore college students has a mean grade point average greater than 2.3

. Sample statistics include n=180

, x¯¯¯=2.4

, and s=0.7

. Use a significance level of α=0.05

.

The Z score is 

 

The P-Value is 

 

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