Do you take 2.015 and x it by the 3 or the 6, or do you, Divide them which steps do you take to get the smaller the answer of 2.468?

Since the population standard deviation is unknown, the t-d construct the confidence interval. The critical t-value at the a = U. I significance level and d from the table of critical values. The margin of error is m =t S 2.015 3 2.468 V6 The confidence interval is T - m, + m = 10 - 2.468, 10 + 2.468 - 7.532