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Cohen d to measure the size of the treatment effect

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Reference no: EM132422292

Problem: A sample is selected from a population with µ = 50. After a treatment is administered to the individuals in the sample, the mean is found to be M = 55 and the variance is s2 = 64.

Required:

  • If the sample has n = 16 scores, then conduct a hypothesis test to evaluate the significance of the treatment effect.
  • Calculate Cohen's d to measure the size of the treatment effect. Use a two-tailed test with α = .05.

Reference no: EM132422292

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