Question 1196957

u({{{100}}},{{{190}}})

mean: {{{mu=(100+190)/2=145}}}

variance:	{{{s^2 =(100-145)^2+(190-145)^2=4050}}}

standard deviation: {{{sigma=sqrt(4050)=63.6396}}}




u({{{4}}},{{{92}}})

mean:  {{{mu=(4+92)/2=48}}}
variance: {{{s^2=(4-48)^2+(92-48)^2=3872}}}
standard deviation: {{{sigma=sqrt(3872)=62.2254}}}