Question

HELP !!!

Which statistics concept is described?
Choose from these answers:
[(A):statistical test] [(B):Null Hypothesis] [(C):alpha] [(D):one-tailed test] [(E):two-tailed test] [(F):Type I error] [(G):Type II error] [(H):the statistic Z]

1)When a hypothesis is that two groups will not be equal, but does not predict which group's scores will be larger or smaller.

2)the idea that your results happened by random chance or error, not due to any real differences.

Answer 1

1) E

2) B