Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
H_0: mu = 20 , H_1: mu != 20 . Data: , , . t-statistic and conclusion with
H_0: mu = 20 , H_1: mu != 20 . Data: , , . t-statistic and conclusion with
Natural Language
Math Input
Extended Keyboard