During a routine check of the fluoride content of Gotham City's water supply, the given results were obtained from replicate analyses of a single sample: 0.511 mg/L , 0.485 mg/L , 0.509 mg/L , 0.491 mg/L , and 0.521 mg/L . Determine the mean and 90% confidence interval for the average fluoride concentration in this sample.
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Ответ:
Mean = 0.503
Confidence interval = 0.513, 0.493
Explanation:
Further explanations and calculations are found in the attachment below
Ответ:
kilogram
Explanation: