mherr
May 4, 2009, 05:06 PM
39 nuts are gathered. They have an average size of 3.34 cent and a standard deviation of .45 cent. Find the 95% confidence interval for the mean size of all the nuts
mherr
May 5, 2009, 12:47 AM
39 nuts are gathered. They have an average size of 3.34 cent and a standard deviation of .45 cent. Find the 95% confidence interval for the mean size of all the nuts
OK, here is the work I've got so far:
\bar X+-t_{n-1,.025}s/\sqrt{n}
where can i find the t stat
galactus
May 5, 2009, 05:34 AM
95% C.I.
3.2\leq {\mu}\leq 3.48