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Confidence interval for the difference

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Reference no: EM131717795

Consider the following information:

Treatment group: n = 101, mean = 65.107, Std dev = 2.847, and Std error = 0.403

Placebo group: n = 101, mean = 66.183, Std dev = 3.205, and Std error = 0.453.

  • Compute the 95% confidence interval for the difference in group means.
  • Interpret the confidence interval.
  • Can we conclude there is a difference in the group means? Explain.

Reference no: EM131717795

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