1. Identify the type(s) of bias that may result from each of the following data collection methods. Be sure to explain why you chose your answer. a) You wish to determine how many students will come to an upcoming dance and so you send a survey to all Grade 9 students. b) You take a random sample of females to survey them about their preferences towards various brands of potato chips. c) You are interested in determining how many hours of television teenagers in your school watch per week, so you survey the chess club.

1. Identify the type(s) of bias that may result from each of the following data collection methods. Be sure to explain why you chose your answer. a) You wish to determine how many students will come to an upcoming dance and so you send a survey to all Grade 9 students. b) You take a random sample of females to survey them about their preferences towards various brands of potato chips. c) You are interested in determining how many hours of television teenagers in your school watch per week, so you survey the chess club.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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