Find the critical value(s) of t that specify the rejection region for the situation given. (Round your answers to three decimal places. If the test is one-tailed, enter NONE for the unused region.) part a) a two-tailed test with ? = 0.05 and 22 df need answer for t> t< part b) a left-tailed test with ? = 0.01 and 8 df need answer for t> t< part c) a right-tailed test with ? = 0.05 and 12 df need answer for t> t<

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