If I were to run a PD for data collection, representation and analysis, I would show teachers how to use student-collected data to look for trends, and also discrepancies, in their data. Looking at data collected can often help explain discrepant events. For instance, when dropping paper helicopters, the short winged ones should fall in the shortest amount of time. If a team presents their data with the longer-winged helicopter dropping in the shortest time, the data can be analysed to show that the comparison with other groups infers there was an error made in data collection or method used. #cserTask2

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