Use the z table or the t table to find the critical value orvalues for each of t

Question

Use the z table or the t table to find the critical value orvalues for each of the following: a. = 0.03, two tailed test b. right- tailed test when = 0.025 and d.f. = 12 c. = 0.02, left - tailed test d. two - tailed test when = 0.1 and d.f. = 19 e. = 0.04, right - tailed test Use the z table or the t table to find the critical value orvalues for each of the following: a. = 0.03, two tailed test b. right- tailed test when = 0.025 and d.f. = 12 c. = 0.02, left - tailed test d. two - tailed test when = 0.1 and d.f. = 19 e. = 0.04, right - tailed test

Explanation / Answer

a) Z = -2.17 or Z = 2.17 b) t = 2.179 c) Z = -2.05 d) t = -1.729 or t = 1.729 e) Z = 1.75

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