1. Yes, our density did fall within both confidence levels. Our density was 2.61 and the true density was 2.71.
2. As the interval increases, the confidence level increases closer to 100%. The higher percentage of your confidence, the larger the range should be. In order to teach this to my students, I would have to use a visual aid. Since I teach 8th grade I would need to keep it as simple as possible. I really liked Jenny's explanation and visual aid idea. Students would be able to better understand this concept if approached in this manner.
3. I am not sure about this. I would assume that if human error occurred on the first measurement than this would effect the subsequent measurements. However, I also think that it depends on how significant the human error is. Even though human error may have occurred your results will not be ruined.
4. This is something that our group struggled with. We still have not been able to figure this out.
5. I have never used excel within my math class yet. I am excited to use it this year. I am also excited to be using excel to help explain a concept that many of the students struggle with, slope. By using excel to graph and find slope, students will be bale to see that these concepts are actually used outside of the classroom. Students often ask, "Why do we have to learn this when we will never use it again?"
Another tool that I plan on implementing into my classroom are the blogs. This is a wonderful tool to help students discuss lectures and share ideas. I have never used a blog before so I was not sure how to incorporate into my classroom. I now have a better idea of how to use it within a math classroom.
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