Question

the mean of the mean .....

Answer 1

how to solve for b?

Answer 2

eew, stats.. ;p

Answer 3

:)

Answer 4

eww. i dont like stats either :))

Answer 5

if i had a decent laptop this would be easier; but the power jack needs to be resoldered....

the ony difference between a and b is a change in the standard deviation; b goes to \(\color{red}{\frac{\sigma}{\sqrt{n}}}\)

Answer 6

where \(\sigma\) is the popultions sd and n=the number of elements in the sample