The mean water consumption of 10 students in a week is 28 liters with a standard deviation of 1.6 liters. Consider 95% confidence level, the upper limit is
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Expert's answer
2022-04-27T00:29:49-0400
The critical value for α=0.05 and df=n−1=9 degrees of freedom is tc=z1−α/2;n−1=2.262156.
The corresponding confidence interval is computed as shown below:
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