10. An administrator wants to study the personal and professional impact of studying abroad while doing an undergraduate degree at KU. He compiles a list ofstudents who have graduated from KU in the past ve years. In order to ensure representation of students who have studied abroad in his sample he divides the list into two groups: those who have studied abroad and those who have not. From the list of7480 graduates who have studied abroad he selects a simple random sample of 374 graduates (5%) and from the list of [1220 graduates who have not studied abroad he selects a simple random sample of 561 (5%). He combines graduates with and without study abroad experience who complete his survey into a single sample of 935. a) What kind of sampling design is this? 2 points b) True or False: In this study each member of the population had a known chance of being selected for the sample. I point c) True or False: Each member of the population has an equal chance of being selected for the sample. 1 point d) True or False: Each sample of size 935 from the population has an equal chance ofbeing selected. I point 1 I. In 1993, presidential candidate Ross Perot appeared on television to voice his opinions on government reform. To gauge public opinion, Perot urged viewers to ll out the survey appearing in that week's issue of TV Guide. Ot'the approximately |.4 million respondents, 98% agreed with Ross Pcrot's platform on health care reform. a) What type ofsampling method was used? 2 points b) Is this a probability based design or a non-probability based design? 1 point c) What is the main problem with this sampling method and why is it problematic for making generalizations? 2 points (1) True or False: Clever statistical analysis can overcome the disadvantages of this sampling method? 1 point 12. A Gallup poll sponsored by the disposable diaper industry asked \"It is estimated that disposable diapers account for less than 2% of the trash in today's landlls. IN contrast, beverage containers, third-class mail, and yard waste are estimated to account for about 21% of the trash in landlls. Given this, in your opinion, would it be fair to ban disposable diapers?\" Which type of error does this poll suffer from? 2 points a) sampling error b) sample design error e) measurement error (1) sponsorship error 13. True or False: Sampling error is a result of random sampling variability. 2 points