I measure the length of a building 10 times, using a tape measure. Use the following observations to determine the 50% Error of this sample. 26.087m 26.415m 26.802m 26.755m 26.584m 26.285m 26.600m 26.489m 26.281m 26.943m O 0.2658 O 0.1793 O 0.1701 O 0.4372

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