How do I find critical values in excel given alpha with a two-tailed hypothesis test. I have a t- test statistic/
your "t" statistics have DF=r
test is two-tailed so there are two critical values one left tailed and other is right tailed
let level of significance =
then for left tailed critical value in excel write following formula
Left tailed critical value
for right-tailed critical value write this formula
for example let DF=r=10
level of significance =
then left tailed
Note: in excel for writing any formula you have to first write "=" then type formula
that neans your formula is "T.INV(0.975,10)" but it works iff you will write "=T.INV(0.975,10)"
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