I got the answer D
He got the answer C
We both used a variation of the matlab tool to get our P values. My hunch is that there was a mixup in the way we look at "test for no interaction" and that one of us mixed up the factor order.
Hi have two questions regarding an t-test assignment i did.
Basically the null hypothesis was that if sample x2 differed 35 off the mean from sample x1 was it reject-able?
The mean of sample x is 395
The mean of sample ý is 435.
So the issue is that i think the nominator for the t-statistic...