A researcher is determining the impact of new technique of teaching Farsi. She concludes that new technique is significantly better than the old method, based upon a test with alpha = 0.05.
A. The probability of rejecting true null is between 0.05 and 0.10.
B. We need the standard error and sample mean to decide is the new method is better.
C. She could have made same decision at alpha = 0.10.
D. She could have made the same decision at alpha = 0.01.