Communication: 1. Identify which type of sampling technique was used and explain your reasoning. [6 marks) a) The population of your town is 45% female ad 55% male. The researcher randomly selects 45 women and 55 men for her project on income. b) Your favourite website asks whether you agree that cell phones in schools should be banned. c) A large university has 30 student residence buildings. Each building has 6 floors. To collect information about students living in the residence, the university selects 10 floors and interviews these students. 2. Identify the type of bias used and explain your reasoning. [6 marks) a) In a survey conducted by a local movie theater, moviegoers where asked "What is your favourite type of movie: Science fiction, horror, romance or action?" b) Traffic volume will be estimated by counting the number of cars travelling through an intersection during the researcher's lunch hour c) A boss has given his employees a survey regarding his performance. He is walking around his employees has they complete the survey