Recent content by sosme

  1. S

    Your worried about confounders. how a future study could be carried

    Your worried about confounders. how a future study could be carried out in which one would not have to worry about confounders. What options would you choose (ignore ethical and feasibility issues for this study - focus on theoretical) (Check all that apply) 1 We will take sisters and give...
  2. S

    Comparing Sample Mean and Population Mean

    I thought that they were both the same, they're mean of the sample aren't they?
  3. S

    Help on T Distribution and Skewness Questions

    I am a bit unsure on three question can anybody help me out? My attempts are marked with * Find P(Mu > xbar); where xbar = -96.52, Mu0 = -34.21, n = 15, s2 = 32193.0551[b] **I wanted to use the t-distrbtion formula but I am not sure about Mu0, do I assume that Mu0=Mu and for s do I just plug...
  4. S

    Statistical Analysis: Determining Confidence Limits and Probability of Error

    Can someone please help me figure out if my attempts are right? or if I am using the right method? in one study on 20 men. the upper confidence limit of a 90% confidence interval is 62.3 grams, and the upper confidence limit of an 80% confidence interval is 54.8 grams. What would the lower...
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