Question 982220
{{{x=54.7}}}
{{{s=5.4}}}
{{{SE=s/sqrt(N)=5.4/sqrt(18)=1.273}}}
{{{ME=t[c]*1.273}}}
Use the t table with DOF of 17 and {{{alpha=.001}}},
{{{t[c]=-3.646}}}
So,
{{{ME=3.646*1.273}}}
{{{ME=4.6}}}
and
{{{mu=54.7 +- 4.6}}}