Theoretically, Colour increases with turbidity. This is because as colour increase, it prevent more light from entering the water thus increasing the turbidity.
However, the trend is wrong due to experimental errors such as:
Probe is not washed properly with DI water- giving inaccurate results.
Probe is not calibrated to the right value.
The trend is wrong as the swimming pool results which have low colour should have lesser turbidity than the pond results. However the graphs shows that the turbidity of the swimming pool is the high
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