Mathematics, 23.09.2020 23:01 meowandcake

In her science fair project about the amount of water needed to dissolve 2 ml of a certain substance at room temperature, Staci got an average value of 32 ml. What should Staci do for the best chance to reproduce that data again?

1. improve the experimental design
2. change it to include a control group
3. follow the same steps exactly
4. decrease the number of trials

Answers: 2

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In her science fair project about the amount of water needed to dissolve 2 ml of a certain substance...