Math  /  Data & Statistics

QuestionFour research teams measured the rotation period of a newly detected neutron star, and what each team wrote in its team notebook is shown in the table below.
Suppose a later and more reliable measurement gives 0.380 s for the period of the same star. Decide which of the earlier measurements was the most accurate, and which was the most precise. \begin{tabular}{|c|c|c|c|} \hline team & \begin{tabular}{c} what was written \\ in the notebook \end{tabular} & \begin{tabular}{c} most accurate \\ measurement \end{tabular} & \begin{tabular}{c} most precise \\ measurement \end{tabular} \\ \hlineAA & "between 0.405 s and 0.455 s"0.455 \mathrm{~s} " & \bigcirc & \bigcirc \\ \hlineBB & "0.280 s±2.0%"" 0.280 \mathrm{~s} \pm 2.0 \% " & \bigcirc & \bigcirc \\ \hlineCC & "0.48 s±0.05 s"" 0.48 \mathrm{~s} \pm 0.05 \mathrm{~s} " & \bigcirc & \bigcirc \\ \hlineDD & "0.390 s"" 0.390 \mathrm{~s} " & \bigcirc & \bigcirc \\ \hline \end{tabular}

Studdy Solution
Determine the most precise measurement by finding the smallest range or uncertainty: Team B: 0.0112 s is smallest \text{Team B: } 0.0112 \text{ s} \text{ is smallest}
Solution: - The most accurate measurement is from Team D. - The most precise measurement is from Team B.

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