DP Sports, Exercise and Health Science Questionbank
6.1.3. State that the statistic standard deviation is used to summarize the spread of values around the mean, and that within a normal distribution approximately 68% and 95% of the values fall within plus or minus one or two standard deviations respectively.
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[N/A]Directly related questions
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21N.1.HL:.tz0.23:
A statistical analysis found that the average professional racing cyclist could sustain an average power output of 6.0 watts per kilogram (W kg–1) with a standard deviation of 0.5 W kg–1. What percentage of the total spread of the data will be represented by a range in power from 5.0–7.0 W kg–1?
A. 68 %
B. 90 %
C. 95 %
D. 99 %
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21N.2.SL.tz0.1e:
Comment on the meaning of the standard deviation with reference to Table 1.
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21N.2.HL:.tz0.2c:
Comment on the meaning of the standard deviation, with reference to the data in Figure 1.
- 16M.1.SL.tz0.27: What does standard deviation represent? A. The ratio of the correlation to the mean B. A causal...
- 17N.1.SL.tz0.27: What percentage of the normal distribution lies within ±1 standard deviation of the mean? A....
