Advanced Placement (AP), 11.01.2021 05:20 xojade
A random sample of testimonials for texting and driving videos and number of car crashes was measured, and the computer output for regression was obtained: Coefficients Standard Error t Stat P-value Intercept 9.983566646 1.400031473 7.1309590.002045 Testimonials -0.1199026170.038348632 -3.1266510.035299 R-sg. = 70.96% R-sq.(adj) = 63.70% Part A: Use the computer output to determine the LSRL. Identify all the variables used in the equation. (3 points) Part B: What proportion of the variation in car crashes is explained by its linear relationship to video testimonials? Explain. (4 points) Part C: Determine if decreased accidents were caused by texting and driving videos. Explain your reasoning
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