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14 Cards in this Set
- Front
- Back
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Some math skills used in science when working with data include _________, ______ and ________, and __________.
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estimation, accuracy and precision and significant figures
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An _______ is an approximation of a number based on reasonable assumptions.
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Estimation It is not a guess! It is based on known information. |
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______ refers to how close a measurement is to the true or accepted value.
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Accuracy
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_____ refers to how close a group of measurements are to each other.
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Precision
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What are the steps to make sure that a measurement is both accurate and precise?
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1. Use a high quality measurement tool 2. Measure carefully 3. Repeat the measurement a few times |
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A reliable measurement is both ______ and _______.
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Accurate and precise
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The precision of a measurement depends on the _______ that you use to take the measurement.
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instrument
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__________ communicate how precise measurements are.
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Significant figures
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Significant figures in measurements include all the digits measure exactly, plus _________.
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one estimated digit
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If a measurement only has one digit, you must assume that it is _______.
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estimated
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When adding and subtracting, the answer can contain no more decimal places than ___________.
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the least accurate measurement
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When measurements are multiplied or divided, the answer can contain no more significant figures that __________.
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the least accurate measurement |
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What are some math tools used in science?
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calculating percent error; finding the mean, median, mode and range; checking the reasonablemess of data
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