Question: A safety researcher has measured the speed of automobiles passing
A safety researcher has measured the speed of automobiles passing his vantage point near an interstate highway. He has also recorded the number of occupants and whether the driver was wearing a seat belt. The data are shown in the following table with seat belt users coded as 1, nonusers as 0. Using a computer statistical package, carry out a multiple regression analysis on these data, interpret the partial regression coefficients, and discuss the results of each significance test.
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