If they get unexpected results they could note what they could've done wrong or what they could change in a next trail of experiments. Or look back and see what different happened to they could've hypothesized. There could be many different courses on what to do next.
Step-by-step explanation:
this can be found by determination of the highest and lowest x values
100 markers per box
10x10
10- one pack
10- packs in a box
The line of best fit just reaches the 2000 mark, which on the y axis isn't marked but the most logical choice is 19 gallons.
A - 19 gallons
Hope I helped!