Week One Summer 2010 Shortcourse : Math in Science Context: Assignment Questions Post Answers: "Questions for Wed: These are some questions regarding density that could go on the blog. 1. Did the true value for density fall within the ..."
1. Our true density did fall within both confidence levels. Our density was 2.67 and the true density was 2.71. Our densities fell in the mid point of both confidence levels. By calculating the confidence intervals, you allow yourself some "wiggle room" in being correct with your measured density when compared to your true value of density.
2. As the confidence level goes up, the interval increases. You are essentially allowing yourself more room to be correct. I agreed with the way Jenny R would explain confidence intervals to her students. It would be a good lesson to "steal" oops, I mean "borrow."
3. I don't know. I am thinking that it would affect the measurements because it would not be averaged out.
4. We really struggled with figuring out this equation. If anyone would like to come back and help us through this it would be great. I never did figure it out.
5. I have wanted to incorporate a blog in my classroom for several years, but I have struggled with implementing one. I like the idea of having students post assignments on google docs. We have issues with our student folders, so this might just remedy the situation. I would like to use excel when we are graphing next year. I think that using a computer to create a graph or chart connects with a student more and feels more "real world" to them.
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