23. Resolution and Precision The resolution of the stopwatch is 0.01 s but the precision of the data does not match this. distance (cm) time (s) mean time (s) range (s) 40 0.90 0.98 0.93 0.95 0.94 0.08 80 1.25 1.29 1.27 1.21 1.26 0.08 119.5 1.54 1.54 1.44 1.41 1.48 0.13
24. Resolution and Precision The resolution of the stopwatch is now 0.1 s. distance (cm) time (s) mean time (s) range (s) 40 0.9 1.0 0.9 1.0 1.0 0.1 80 1.3 1.3 1.3 1.2 1.3 0.1 119.5 1.5 1.5 1.4 1.4 1.5 0.1
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Notas del editor
The student’s performance in the assessment component, practical work, will be judged by the extent to which he or she demonstrates performance against the criteria above. Qualifying questions to support these criteria can be found in the Biology Curriculum Statement.
![Practical Work in Biology ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/practical-work-in-biology-1221737187577594-9/85/Practical-Work-In-Biology-1-320.jpg)
![Hypothesis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)