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Legend: Grey dotted line : Observed monthly crash rates PowerPoint Presentation
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Legend: Grey dotted line : Observed monthly crash rates

Legend: Grey dotted line : Observed monthly crash rates

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Legend: Grey dotted line : Observed monthly crash rates

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  1. Figure 3f. Estimated rate (per 10,000 drivers) among male probationary drivers for peer passenger crashes. Rate (per 10,000 drivers) Legend: Grey dotted line: Observed monthly crash rates Solid black line: Estimated crash rate from negative binomial regression model is linear in two pieces, excludes Feb-Apr 2010, and accounts for seasonal variation (Jan-Mar, Jun-Aug, other) when appropriate. Dotted black line: Predicted crash rate assuming continuation of pre-law trend.