Question: Which statement is correct Why not the others a The level

Which statement is correct? Why not the others?
a. The level of significance is the probability of committing Type I error.
b. As the sample size increases, critical values of t.05 increase, gradually approaching z.05.
c. When is unknown, it is conservative to use z.05 instead of t.05 in a hypothesis test for.

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  • CreatedAugust 19, 2015
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