Use a T-Test to Test the Claim μ ≤ 8 $\mathrm { n } = 15 , \overline { \mathrm { x } } = 9.2 , \text { and } \mathrm { s } = 0.8$

Essay

Use a t-test to test the claim μ ≤ 8.9 at α = 0.05, given the sample statistics $\mathrm { n } = 15 , \overline { \mathrm { x } } = 9.2 , \text { and } \mathrm { s } = 0.8$ Round the test statistic to he nearest thousandth .