Exercises 1. A suggestion box is placed in the school hallway to obtain students' reactions to a new school policy. a) What population is being surveyed? b) What type of sample is this? c) Is this sample biased? Explain:... 2. Knowledge/Understanding The computer system of a large hospital contains the records for 60 000 patients. The records are numbered sequentially from 1 to 60 000. The hospital administrator wishes to # 6 determine patients' level of satisfaction with hospital food. For her sample, she selects the records numbered 100, 200, 300, and so on. a) What is the population for this survey? b) What type of sampling was used? .c) Will this sample be representative of the population? Explain. 3. Explain why a sample obtained from approachable people, such as friends and family members, is not representative of the population. 4. A television program chooses its Movie of the Week according to the ... votes cast by viewers. They phone one of two 1-900 phone numbers at $0.75 per call. Is this a random sample? Explain