Which type of error causes measurements to scatter unpredictably?, Random error, Systematic error, Zero error, Unit error, Which type of error shifts all measurements in the same direction?, Reading error, Random error, Parallax error, Systematic error, Accuracy means how close a measurement is to the ___ value., average, true, smallest, largest, Precision means how close repeated measurements are to each other., True, False, A faulty balance always adds 2 g to every reading. This is a ___ error., Personal, Systematic, Random, Percentage, If readings are 10.1 cm, 10.2 cm, 10.1 cm, and 10.2 cm, they are:, Random only, Unrelated, Precise, Inaccurate only, If a measured value is close to the accepted value, it is:, Uncertain, Biased, Precise, Accurate, A student records 5.0 s, 7.8 s, 6.1 s, and 8.4 s for the same event. This suggests high:, Accuracy, Precision, Random error, Calibration, Which action helps reduce random error?, Ignore units, Use wrong scale, Round early, Repeat measurements, Which action helps reduce systematic error?, Change units, Take one reading, Calibrate instrument, Estimate wildly, A ruler has its zero mark worn off. This mainly causes:, No error, Systematic error, Percentage error, Random error, The average of 9.8 N, 10.0 N, and 10.2 N is:, 10.0 N, 9.8 N, 9.9 N, 10.2 N, The true length is 20.0 cm, but a student measures 19.9 cm. The absolute error is:, 19.9 cm, 0.2 cm, 20.1 cm, 0.1 cm, Measurements cluster closely together but far from the true value. They are:, Neither, Precise only, Accurate only, Both correct, Measurements spread out widely around the true value. They are likely:, Highly precise, Perfectly accurate, Affected by random error, Systematic only

Grade 11 Errors, Accuracy and Precision

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