You are using an independent samples t-test to compare two groups. The first group
has 10 people in it, a mean of 100 and a standard deviation of 5. The second group
has 18 people in it, a mean of 120, and a standard deviation of 3. What is the t-crit
score for this study? Assume alpha = .05, two tailed.
2.228
2.262
2.110
2.052