Stats 2

# Stats 2 - Predictions Five Number Summaries Errors Minimum...

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Caroline Tabler September 11, 2008 Section 4 (Sunny) Tuesday 11:40 Part 1: a)Quantile Plot for Speaking Ability Scores of 10 Parkinson’s Patients after Operation

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b) Dotplots Comparing Scores of the 10 Patients with the Operation and the 14 Without b) Boxplot Comparing Scores of the 10 Patients with the Operation and the 14 Without
c) Quantile-Quantile Plot Comparing Scores of the 10 Patients with the Operation and the First 10 Without the Operation

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Part 2: a) Scatterplot from HW 1 Comparing Duration and Intervals between Eruptions of “Old Faithful” (Regression Line Included) Regression Line Equation: Interval = 33.97 + 10.36 x Duration

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b) Side-by-Side Boxplots of Absolute Errors of the Three Different
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Unformatted text preview: Predictions Five Number Summaries: Errors Minimum Q1 Median Q3 Maximum 71 Minute 0.000 5.000 10.000 16.000 29.000 Prediction 54/78 Minute Prediction 0.000 2.000 4.000 7.000 25.000 Regression Prediction 0.238 1.624 4.410 7.340 16.806 d) The predictions determined by the regression line method are the most accurate. It has the smallest range of errors by nearly 10 minutes. Many of its five number values are similar to the ones determined by the 54/78 minute prediction, yet the regression predictions are much more reliable, as seen by the many outliers in the other boxplot....
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Stats 2 - Predictions Five Number Summaries Errors Minimum...

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