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Stat hw 2

# Stat hw 2 - Daniel Miller STAT 3615 a Histogram of Daniel...

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Daniel Miller STAT 3615 a) X Frequency 2.5 2.0 1.5 1.0 0.5 0.0 -0.5 -1.0 -1.5 -2.0 -2.5 18 16 14 12 10 8 6 4 2 0 Histogram of Daniel Miller First Random Sample C1 1.8 1.2 0.6 0.0 -0.6 -1.2 -1.8 Dotplot of C1 Stem-and-Leaf Display: C1 Stem-and-leaf of C1 N = 50 Leaf Unit = 0.10 1 -2 0 4 -1 766 7 -1 420 14 -0 7666555 (14) -0 44444332221000 22 0 001122223333 10 0 5557789 3 1 3 1 6 2 2 00 b) -At 10, 12, and 50 the graph doesn’t look as good because the data is spread out over the graph and it isn’t condensed into exactly the size we want. At 9, the data is very concise and describes exactly what we need. - This gives us 9 groups. The graph looks good, but the numbering on the X-axis didn’t work I fixed it and made it more accurate and easier to read.

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Daniel Miller STAT 3615 c) X Frequency 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 14 12 10 8 6 4 2 0 Histogram of Daniel Miller Second Random Sample  X Frequency 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 16 14 12 10 8 6 4 2 0 Histogram of Daniel Miller Third Random Sample d) For C1, I expect the mean to be lower than the median because there are some higher outliers
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Stat hw 2 - Daniel Miller STAT 3615 a Histogram of Daniel...

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