Test the Claim About the Population Mean $\mu$ At the Level of Significance α

Essay

Test the claim about the population mean $\mu$ at the level of significance α $\alpha$ . Assume the population is normally
distributed. $\text { Claim } \mu = 24 ; \alpha = 0.01 \text {. Sample statistics: } \overline { \mathrm { x } } = 25.2 , \mathrm {~s} = 2.2 , \mathrm { n } = 12$