ral Chemistry Lab I & Precision Exp #1 Accuracy and Precision Pre-Lab Qu Two stu

Question

ral Chemistry Lab I & Precision Exp #1 Accuracy and Precision Pre-Lab Qu Two students weigh an object five times with the following results: Student A: mean 8.555 g, standard deviation 0.009 Student B: mean 6.570 g, standard deviation 0.022 Which student's results are more precise and which more accurate? Select one: 0 a. A less accurate but insufficient data to judge precision. b. A less precise and more accurate c. A less precise but insufficient data to judge accuracy. d. A more precise but insufficient data to judge accuracy e. A more precise and more accurate O O Next pag

Explanation / Answer

standard deviation is less of A
So, A is more precise

To judge the accuracy, we need to know the actual value which is not given
So, it is impossible to know which is more accurate

Answer: d

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