Determine the sample size needed to reject Ho if the ratio is 3 times the hypothesized value of 2 variances, alpha = 0.05, beta = 0.10, R=3. June 20, 2014 suzet Determine the sample size needed to reject Ho if the ratio is 3 times the hypothesized value of 2 variances, alpha = 0.05, beta = 0.10, R=3.