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Given the data below gives for the serum levels measured for their sodium content (ppm) based on a sample size of 15, calculate the upper

Given the data below gives for the serum levels measured for their sodium content (ppm) based on a sample size of 15, calculate the upper limit at the 95% confidence interval for the population mean.

Mean 137.08

Standard Deviation 10.91 Provide answer to one decimal place.

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