ces of freedom ( n- 1 ) ( 1 -8) #1 Homework 10 Analysis of Variance (ANOVA). One Factor (based on W&W 1 1th ed. 16.11) An investigator wishes to conduct a test of the effect of alcohol consumption on the performance of automobile drivers, possibly to gain more information about the legal maximum for DUI arrests. Before the driving test. subjects drink a glass of orange juice laced with controlled amounts of vodka. Their performance is measured by the number of errors on a driving simulator. Five subjects are randomly assigned to each of five groups receiving different amounts of vodka (either 0. 1, 2. 4 or 6 ounces), and the following results were obtained: DRIVING ERRORS AS A FUNCTION OF ALCOHOL CONSUMPTION (OUNCES) ZERO ONE TWO FOUR SIX 4 6 15 20 w 6 25 2 9 10 UI JP 10 17 10 7 9 Total: 15 20 26 56 74 EX= G= 191 EX- = 2371 A) Write a research question and null hypothesis comparing number of driving errors based on the amount of alcohol consumed. B) Using SPSS, conduct an ANOVA at the .05 level of significance, including post hoc tests if necessa (include the SPSS output when submitting this assignment). Write this statement, filling in the five blanks: F_ = _.P= or"