11. If a mechanic looks at your car engine and says there is nothing wrong with it and your car breaks down when you leave the garage, what type of error did the mechanic make? A. Type I B. Type II C. Systematic error D. Matrix error 12. The chi-square test is used to address what types of problems? 3 . b. 13. If the significance level, a, is increased then the chance of a Type II error will . remain the same. B. decrease C, increase. 14. In an experiment by Dr. Durant regarding eye color, eighty-seven random participants were used. The expected eye color ratio in this population was 3 to 1 brown vs blue eye color. The observed amounts consisted of 25 people with blue eyes observed. Does the observed ratio differ significantly from the expected ratio