DP Sports, Exercise and Health Science Questionbank
6.1.1. Outline that error bars are a graphical representation of the variability of data.
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17M.1.SL.tz0.30:
What do the error bars in the graph say about data?
[Source: © International Baccalaureate Organization 2017]
A. The data for Group 1 has a lower mean value.
B. The data for Group 2 has a higher degree of variability.
C. The data for Group 1 has a higher degree of accuracy.
D. The data for Group 1 and 2 has the same degree of coefficient of variation.
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What can be represented by error bars on a graph?
A. Ratio of the standard deviation to the mean value of a set of data
B. Variability of a set of data from the median
C. Variability of the mode value of a set of data
D. Variability of a set of data from the mean
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19M.1.SL.tz0.26:
What can be represented by error bars on graphs?
A. Reliability of data
B. One standard deviation of data
C. Percent change of data
D. Validity of data
