STATISTICS

_ vpts} Identify which of the following is a sampling error (SE) and which is a nonsampling error {NEE}. l. A researcher studying dog ownership counts the percent of people with a dog at a park on a Srmday in Liay. A radio callin poll reports that 59% of Canadians are in favor of a Spring Election. The participant in an experiment lies about his gambling addiction. You accidently leave ll] completed survey forms in a ooffee shop and these are thrown away. To learn more about drug use in college students, you put up a notice in Varlier Today for volunteers to contact and be interviewed. You use the hfontreal telephone directory to select l participants for an experiment. Your assistant helping you to enter data into Minitab occasionally types a number twice without _ I16 rte It is loiown that35'ii: of Canadians would like to see the new Jurassic 1World movie. To see how people living inQuebec feel about this new movie, an online survey asked ll Quebec adults the following question: \"Do you plan on seeing the Jurassic World movie?". The online survey was conducted 15 times, each time using the same sample size. The following are the results [in percentages} for those who said "yes" to this question: PEPE-\"i\" 2'4?\" asssasssasssasssssssssss a] Do these sample percentages show high or low variability? Explain your answer. [2pm] b) Do these sample percentages show high or low bias? Explain your answer. [2pts} c} In theory, what can researchers do to reduce variability in sample statistics? {lpts}