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2 cards from this section. Quick, good the night before a test.
What do error bars represent on a graph?
Think about how precision is conveyed visually.
How do you draw an error bar for the y-variable?
Consider how you would use the uncertainty value.
What do error bars indicate on a graph?
Consider what error bars visually represent.
True or False: Error bars can only show random errors.
Think about the types of errors discussed in class.
An experiment produced a measurement of 12.0 with an uncertainty of ±2.0. If you plot this point on a graph with other measurements, how would you draw its error bars?
Think about the range that uncertainty indicates.
A scientist collected data with a maximum gradient of 8 and a minimum of 4 when considering error bars. What is the uncertainty in the gradient?
Consider the difference between the maximum and minimum values to find the uncertainty.
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