Julies potassium level is measured over 3 consecutive days


Julie's potassium level is measured over 3 consecutive days (n=3). Her resulting mean for the three scores was 3.4 and a sample standard deviation of 0.2 (s = 0.2). What is the 90% confidence interval for the mean level of potassium in her blood?

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Basic Statistics: Julies potassium level is measured over 3 consecutive days
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