P Value T Test Chart. Prob t 50 t 75 t 80 t 85 t 90 t 95 t 975 t 99 t 995 t 999 t 9995 one tail 0 50 0 25 0 20 0 15 0 10 0 05 0 025 0 01 0 005 0 001 0 0005 two tails 1 00 0 50. That s 0 02 approximately the t distribution is symmetric this is going to be approximately 0 02.
In excel we have a built in function called t test which can give us the p value result instantly. It was developed by english statistician william sealy gosset. Published on july 16 2020 by rebecca bevans.
That it is unlikely to have happened by chance.
Presenting the results of a t test. P value excel example 2 find p value with t test function. This distribution table shows the upper critical values of t test. That s 0 02 approximately the t distribution is symmetric this is going to be approximately 0 02.