# Graphs in CIE IGCSE Biology Alternative to Practical

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1. If you've to plot points on a graph, but they don't all fit into one straight line, do you connect them with straight lines (done by a ruler) or a curved freehand line?Trying to find out for my exam in two days, thanks!
2. Do a line through most points. If one is quite far out, the next question is likely to ask if there is an anomalous result (one which is unexpected; doesn;t fit into the results). If it is a curve, don't use a ruler. Make sure the correlation is shown through the line. Good luck!
3. (Original post by GCSE DEMOLISHER)
Do a line through most points. If one is quite far out, the next question is likely to ask if there is an anomalous result (one which is unexpected; doesn;t fit into the results). If it is a curve, don't use a ruler. Make sure the correlation is shown through the line. Good luck!
Thanks
4. (Original post by wannabeboarder)
Thanks
Make sure you draw a line through all the points except the ones which are anomalous and never use a ruler unless the points line up exactly
5. (Original post by GCSE DEMOLISHER)
Make sure you draw a line through all the points except the ones which are anomalous and never use a ruler unless the points line up exactly
(If it is an x^2 graph)

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