25. Solving a chemistry problem
3. Calculate the acidity of the field soil with a given confidence probability, if the pH measured in 10 sample areas was
Trust. pH probability
1 2 3 4 5 6 7 8 9 10
0.99 7.10 7.22 7.23 7.13 7.15 7.20 7.21 7.19 7.20 7.15
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