The table gives 20 years of data on the number of students in a particular school who participate in the statewide debate competition. A sample is taken to include only the last 3 years of this data. With this information, calculate both the population mean and the sample mean for debate competition participants per year.

The table gives 20 years of data on the number of students in a particular school who participate in the statewide debate competition A sample is taken to inclu class=
The table gives 20 years of data on the number of students in a particular school who participate in the statewide debate competition A sample is taken to inclu class=