An engineer is interested in testing the "bias" in a pH meter. Data arc collected on the meter by measuring the pH of a neutral substance (pH – 7.0). A sample of size 10 is taken with results given by...

Extracted text: An engineer is interested in testing the "bias" in a pH meter. Data arc collected on the meter by measuring the pH of a neutral substance (pH – 7.0). A sample of size 10 is taken with results given by 7.07 7.00 7.10 6.97 7.00 7.03 7.01 7.01 6.98 7.08 Solve the standard deviation: а. none of the above O b. 0.0440 с. 0.414 O d. 0.44O