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  1. r = +.45, n = 20, α = .05, two-tailed test
  2. r

= -.35, n = 30, α = .10, two-tailed test

  • r = +.60, n = 7, α = .05, right-tailed test
  • r = -.30, n = 61, α = .01, left-tailed test

  • Use Excel to find the critical value of tα. Perform the t test and report your decision. (Round answers to 3 decimal places. Negative values should be indicated by a minus sign.)


    Screen Shot 2019-12-10 at 8.07.12 PM.png

    Screen Shot 2019-12-10 at 8.07.12 PM.png

    Top Answer

    r = +.45, n = 20, = .05, two-tailed test r = -.35, n = 30, = .10, two-tailed test r = +.60, n... View the full answer

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