A repeated-measures study with a sample of n = 16 participants produces a mean difference of MD = 4 with a variance s2 = 64. Use a two-tailed hypothesis test with significance level = .05 to determine whether it is likely that this sample came from a population with MD = 0.   State your hypotheses state the critical t-value  calculate the t-value for the sample mean difference state your conclusion about the null hypothesis Show all calculations.

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A repeated-measures study with a sample of n = 16 participants produces a mean difference of MD = 4 with a variance s2 = 64. Use a two-tailed hypothesis test with significance level = .05 to determine whether it is likely that this sample came from a population with MD = 0.

 

  • State your hypotheses
  • state the critical t-value 
  • calculate the t-value for the sample mean difference
  • state your conclusion about the null hypothesis

Show all calculations.

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