QUESTION 1 According to the text, a two-tailed test should be useda.unl
QUESTION 1 According to the text, a two-tailed test should be useda.unless there is a compelling a priori reason not to.b.if you are sure that the difference between your means is sufficiently large to ensure statistical significance.c.when you are interested in controlling Type II errors but less interested in controlling Type I errors.d.none … Read more