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**tennisair** Assume that a simple random sample has been selected from a normally distributed population. Find the p-value, critical value(s), and state the final conclusion. Mr F says: This makes no sense and is clearly lacking essential information.

Test the claim that the mean age of a prison population in one city is less than 26 years. Sample data are summarized as n=25, x bar= 24.4 years, and s=9.2 years. Use significance level of 0.05

Find the p-value and the critical value(s)

test statistic: -0.8696 Mr F says: How have you calculated this value? I get a different one.