Stats 2.0 Practice Milestone 1&2
Delgado Community College
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Stats 2.0 Practice Milestone 1&2
- Exam (elaborations) • 14 pages • 2020
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Stats 2.0 Practice Milestone 1&2
QUESTION 1
One typical way to select a sample is to randomly pick phone numbers from a telephone book. This method can introduce __________, because those that cannot afford a telephone, chose not to have a telephone, or do not list their phone numbers will not be represented.

QUESTION 2
A __________ variable is an unforeseen variable that is related to the explanatory variable and has a significant effect on the response variable.