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How do you calculate Confidence Interval if you have this information? Time 1 (i.e., pre-intervention survey) Mean Stress = 2.74 and SD = 1.44 Time

How do you calculate Confidence Interval if you have this information?

  • Time 1 (i.e., pre-intervention survey) Mean Stress = 2.74 and SD = 1.44
  • Time 2 (i.e., post-intervention survey) Mean Stress = 3.66 and SD = 1.16
  • t(99) = -3.76, two-tailedp< .001

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