Last, match color on tile to color bar. In the first trial, Crest and Colgate both did an O.K. job of cleaning the stain. In the second trial, Crest did a Good job and Colgate did an O.K. job of cleaning the stain. In this experiment, I found out that Crest is a better brand than Colgate. I accepted my hypothesis.
Crest is a more distasteful looking toothpaste, but it does a good job.
If I did change anything about this research, it probably would be the stain because coffee takes too long to dry. My research applies to the world outside because people now know to eliminate Colgate from their shopping lists. Only if they want to, it's personal preference though. My data indicate that Crest is better. We wanted to find out which brand of battery lasted the longest in comparison to its price and to figure out the best over-all battery.