Solve the problem.Suppose that during a certain step in a chemical manufacturing process the amount of hydrogen sulfide dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. The following table shows a representation of this relationship. Make a scatterplot of the data. What type of trend do you detect?
A. Little or no trend
B. Upward trend
C. Downward trend
D. Little or no trend
Answer: B
Mathematics
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A. 33 B. 35 C. 40 D. 27
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Find the sample standard deviation from the set of measurements below.
A. 
B. 
C. 
D. 
E. 
Mathematics
Write in standard notation.A particle of dust gathered by a space probe is found to have a mass of 7.05 × 10-13 gram.
A. 705 × 10-11 gram B. 0.0000000000705 gram C. 0.000000000000705 gram D. 0.00000000000705 gram
Mathematics