Use Table 4 in Appendix I to find the following critical values a An upper one tailed rejection region with 05 and 11 df b A two tailed rejection region with 05 and 7 df c A lower one tailed rejection region with 01 and 15 df ...

df along the left or right margin and t onet ...

Use Table 4 in Appendix I to find the following critical values: a. An upper one-tailed rejection

Question:

Use Table 4 in Appendix I to find the following critical values:
a. An upper one-tailed rejection region with α = .05 and 11 df.
b. A two-tailed rejection region with α = .05 and 7 df.
c. A lower one-tailed rejection region with α = .01 and 15 df.