So this is plotting and graphing basically. First you have to 1) draw the x and y axis table
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temp (°C)
2) Label the top of y axis (the line going up and down-vertical) dissolved oxygen content (ppm). The dependent variable- data collected will be graphed along this line
3) Label the side, x axis (the line that goes from left to right) temperature (°C). The independent variable- Is what I change, will be graphed along this line
4) I would recommend using two different colors to plot the difference in result on the graph....
5) On the graph lable x the temp 1-30 don't skip any #'s
6) On the y axis you're only aloud to plot whole numbers. I would do 1-14 and keep going
Hope this help :) I could draw it but I'm lazy.