Date: nan POPULATIONS AND SAMPLING Determine if each situation represents a biased or unbiased sample and circle your the problem number on the coloring page and shade in the enclosed region with th assigned to the answer. biased: unbi A political campaign calls every 10th black wh name in the phone book for a survey. 2 Of the 100 people who entered the biased: unbias grocery store between 5-7 PM, five filled red out a voluntary comment card about pink their experience. W A potato chip company tests the first 15 biased: unbiased bags of a production for quality control. black white 200 students from a university were randomly chosen using an online name biased: unbiased: sorter to fill out a survey on the number of _ light green hours they study. light blue 15 At the entrance to a concert, every 18th person is more thoroughly searched. biased: unbiased: orange yellow An electronics company mails out a survey to 500 random people to see if they still use DVDs. 120 people filled out biased: the survey, medium blue unbiased: 016 Jessica Barnett medium green