why reject null in 2sided test? if a nil number is rejectable is it valid what's the difference between nil and null does null mean nil-null what does the null test mean if nil null is not positive, then confidence in the resulting sample parameter should be equal or greater? if the sample parameter is positive then the confidence should be greater than the confidence in rejecting the null. which condition should a null test be rejected if rejects a null, what is the result how to reject a null test what is the confidence interval for rejecting a null test? why reject a null if you reject the null and reject the null in a two sided test, how many confidences should be made in rejecting the null what is the test for rejecting a null what is the null for reject what does rejection of the null test mean what is the nil null test mean nil null definition when to reject null in a two sided sna what is the nil null