17. Tell whether this survey describes a good sample and if so, name the method of sampling used. Every sixth person leaving a restaurant is surveyed to determine their favorite food from the menu.

Question

yes, random********
yes, systematic
yes, stratified
not a good sample

18.Tell whether this survey describes a good sample and if so, name the method of sampling used. Have listeners call in to a radio station to find out if they prefer country or classical music.

yes, random
yes, systematic
yes, stratified
not a good sample***********

Answer 1

agree on both.