7. Dependent & independent variables; positive & inverse relationships: The following table shows data on the relationship between the average state speed limit and the number of traffic fatalities that occur each year on a per-capita basis in Utah. Speed Limit (Miles Traffic Fatalities (per million per hour) drivers per year 10 0 20 20 30 40 40 60 In the diagram below, draw the graph showing the relationship between speed limit and traffic fatalities Suppose the speed limit in Utah is 35 miles per hour. Based on the graph you drew, the number of traffic fatalities that occur each year in Utah on a per-capita basis is likely_ fatalities per million drivers per year. 5. Dependent, independent variables; positive and inverse relationships: Consider the following statements, and indicate which variable is an independent variable and which variable is a dependent variable; moreover, determine whether there is a positive or a negative relationship between two variables. (a) - As research shows, anti-smoking campaigns reduce the number of smokers in the country. Number of anti-smoking campaigns is the variable; Number of smokers is the variable. The relationship between anti-smoking campaigns and the number of smokers is (b) - As income falls, people spend less on cars. Is the graph of this relationship positively or negatively sloped? Why? (c) - What type of relationship would you expect between the sales of toothbrushes and the sales of cat food? Why