61 Решение задачи по химии №006 150

6. When analyzing beef in eight parallel samples, 8.6 were found; 8.8; 8.9; 8.7; 8.7; 8.6; 8.7; 8.6 micrograms of nickel per 100 grams of beef. Determine the mean, variance, standard deviation, precision, and confidence interval for α = 0.95.

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