David | Vicki | z score | z critical | means test | F statistic | F critical | variances test | ||
n = | 38 | 40 | |||||||
mean = | 0.181 | 0.177 | 0.95 | 1.00 | not different | ||||
stdev = | 0.017 | 0.020 | |||||||
variance= | 0.0003 | 0.0004 | 1.43 | 1.51 | not different | ||||
stderr = | 0.003 | 0.003 | |||||||
CI = |