Question

Chi-square test with TI-84

Answer 1

I followed what this video said

https://www.youtube.com/watch?v=N9pXT1jAFwM&feature=youtu.be

But my calculator is saying "ERR: DOMAIN" after I select option C: x^2 test

Answer 2

E 1.1= 270.2703739
E 1.2= 257.3077661
E 1.3= 148.42186

E 2.1= 146.7296261
E 2.2= 139.6922339
E 2.3= 80.57813998

Answer 3

@princeharryyy

Answer 4

Im not sure where im going wrong. I dont really know how to use this calculator

Answer 5

that's a lot of work. @Destinyyyy

Answer 6

Yes it is

Answer 7

there's another example given in the next video. try that. We don't use texas calculator. So, I don't know how do they do it. Next video might help. Sorry about this one.

Answer 8

Oh.. Do you think I can solve this without the calculator? Like using the formula