What critical value would be appropriate for a 98 confidence

What critical value would be appropriate for a 98% confidence interval...

What critical value would be appropriate for a 98% confidence interval on a mean where s is unknown if the sample size is 10 and the population is normally distributed? 2.8214 2.7638 1.3830 2.3263

Critical Value
The Value of |t | with n-1 = 9 d.f is, at 0.02 Aplha level, 2.8214