Example: the density of copper is listed as 8.94 g/cm3. two students each make three density determinations of samples of the substance. student a's results are 7.3, 9.4, and 8.0 and student b's results are 8.4, 8.8, and 8.0. compare the two sets of results in terms of precision and accuracy
2006-09-26 12:01:15 · 3 answers · asked by Anonymous in Education & Reference ➔ Homework Help
-precision is how close the values are to each other, which is expressed by standard deviation
-accuracy is how close the values are to the accual value, whick is expressed by percent error
2006-09-26 12:04:33 · answer #1 · answered by Jay 2 · 1⤊ 0⤋
precision is how many times you get the same ans
accuracy is how close to the right answer you are
2006-09-26 19:05:20 · answer #2 · answered by sur2124 4 · 1⤊ 0⤋
you use precision instruments to get accurate results
results of student two are more precise and bothare inaccurate
2006-09-26 19:05:03 · answer #3 · answered by raj 7 · 0⤊ 1⤋