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Suppose I found that there was a difference of 0.5 points in the average score of the two groups in my experiment. Do you feel

  1. Suppose I found that there was a difference of 0.5 points in the average score of the two groups in my experiment. Do you feel this difference is likely to happen just by chance? Explain your reasoning.
  2. Suppose I found that there was a difference of 6.4 points in the average score of the two groups in my experiment. Do you feel this difference is likely to happen just by chance? Explain your reasoning.
  3. Which of the differences discussed above is a statistically significant difference? Explain using two sentences.

7. Which of the differences discussed above is a statistically significant difference? Explain using two sentences.

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