In a survey for a statistics class project, students in the class were asked if they had ever been in a traffic accident, including a minor “fender-bender.” Of the 23 males in the class, 16 reported having been in an accident. Of the 34 females in the class, 18 reported having been in an accident.
a. What is the explanatory variable, and what is the response variable in this survey?
b. Create a contingency table for these data.
c. Find the risk of having been in an accident for males and the risk for females.
d. Find the relative risk of having been in an accident for males compared to females. Write a sentence giving this relative risk in words that would be understood by someone with no training in statistics.
e. Find the odds of having been in an accident for males, and write the result in a sentence that would be understood by someone with no training in statistics.