Solve (Round your answer to the nearest thousandth).
The seven-day mean of settleable solids cannot exceed 0.15 milliliters per liter (mL/L). During the past seven days, the measurements of concentration have been 0.14, 0.11, 0.25, 0.19, 0.12, 0.12, and 0.16 mL/L. What was the mean concentration? Was it within the limit?
A. 0.158, no
B. 0.156, no
C. 0.144, yes
D. 0.142, yes
Answer: B
Mathematics
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