For a two-tailed test with α = 0.05, the $t_{\mathrm{crit}}$ value is
A)either +1.96 or -1.96.
B)both +1.96 and -1.96.
C)either +1.645 or -1.645.
D)different for each df.

Name: For a two-tailed test with α = 0.05, the $t_{\mathrm{crit}}$ value is A)either +1.96 or -1.96. B)both +1.96 and -1.96. C)either +1.645 or -1.645. D)different for each df.
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Question

Quizplus · Accepted Answer

The critical t-value for a two-tailed test with α = 0.05 depends on the degrees of freedom (df) and is not a fixed value like the z-values.

For a Two-Tailed Test with α = 0 tcritt_{\mathrm{crit}}tcrit​ Value Is A)either +1

For a Two-Tailed Test with α = 0 $t_{\mathrm{crit}}$ Value Is
A)either +1