Answer
It is biased
Work Step by Step
They surveyed people who are more likely to go to dog parks. People with no pets are less likely to go to dog parks than people with pets. The sample does not represent the general population so it is biased.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 12 - Data Analysis and Probability - 12-5 Samples and Surveys - Practice and Problem-Solving Exercises - Page 745: 22
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