1. We used copper for our experiment. The true value fell within the confidence interval. The experimentally measured density was within acceptable borders. The error was minimal which suggests accuracy.
2. The difference in the M values got larger with more trials. This larger difference is not intuitive. Yes, I would explain the change to the students conceptually.
3. If I made a determinant(human) error for the first measurement in the liquid density portion, it will affect my results but not necessarily my measurements. If both mass and volume were not correct and the values deviated as farther as possible towards opposite sides of the spectrum, it would not affect susequent measurements.
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