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Null hypothesis of equality of population means

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1. State the critical (tabled) value of t that would be used to reject the null hypothesis of equality of population means, for an independent groups t-test under each of the following conditions:

  1. H1: μ1 ≠ μ2; n1 = 20, n2 = 20; α = .05
  2. H1: μ1 > μ2; n1 = 30, n2 = 30; α = .01
  3. H1: μ1 ≠ μ2; n1 = 10, n2 = 10; α = .01
  4. H1: μ1 > μ2; n1 = 60, n2 = 60; α = .05
  5. H1: μ1 ≠ μ2; n1 = 15, n2 = 10; α = .01

Reference no: EM131555132

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