Test the Claim That $\mu _ { \mathrm { d } }$

Essay

Test the claim that $\mu _ { \mathrm { d } }$ = 0 using the sample statistics below. Assume the samples are random and dependent,
and the populations are normally distributed. Use $\alpha = 0.05$ Sample statisticsstatistics: $\mathrm { n } = 12 , \overline { \mathrm { d } } = 6.0 , \mathrm {~s} \mathrm {~d} = 1.3$