Assume you know the general population has a mean of 81 and a standard deviation of 8. Your sample (N=100) has a mean of 32. Does the sample differ from the population, using a two-tailed, p *i .01 cutoff. a. What is the z-eutoff values b. What is the obtained z-seore (2. Accept or reject the null d. What are the 99% confidence interval (CI) limits (lower and upper) e. What's Cohen's d? f. Is this a small, moderate, or large effect