Choose the variable that is discrete. A) cost BJ time C) miles per gallon D) color From a list of 523 subjects, after randomly beginning with the 3" person, every 5th person was chosen for the sample. What type of sample does this represent? Systematic Sample A) Simple Random Sample Convenience Sample B Stratified Sample A restaurant entrepreneur would like to open a new restaurant in her town. To gauge the town's preferences, she surveys 30 of her friends. The is an example of a A) Systematic sample C Convenience Sample B Stratified Sample DI Cluster sample