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Question

From the distribution table, find the column heading for c = 0.950 and read down the column until you reach the entry in the row headed by d.f. = 25. The intersection of the column and row in the table is the value of t_0.95

for a sample of size 26.

t_c =

Answer 1

This is the critical value for a 95% confidence interval of a mean with 25 degrees of freedom. 2.06