Hector surveyed 500 people and asked them how far they drive to work and what the last digit of their phone number is. he used the results to make a scatter plot. What type of association should he expect to see in the scatter plot?

You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.