Stat 503 quiz 1 - Study guides, Class notes & Summaries
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STAT 503 Quiz 1 Questions and Answers Graded A+
- Exam (elaborations) • 5 pages • 2024
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STAT 503 Quiz 1 Questions and Answers Graded A+ 
Randomization - Answer-allows an experiment to establish a cause-and-effect relationship; under random assignment the groups shouldn't differ significantly with respect to potential confounding variables; randomization of treatments establish a clearer causal relationship and controls for all lurking variables as well as helps to rid bias 
 
frequency - Answer-the count of occurrences 
 
frequency distribution - Answer-describes the number of tim...
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STAT 503 Quiz 1 with Complete Solutions
- Exam (elaborations) • 3 pages • 2023
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____________ is an inherent component of all living systems - ANSWER-Variation 
 
Variation + incomplete info = __________ - ANSWER-Uncertainty 
 
____________ is the process of inferring an unknown quantity of a population using sample data - ANSWER-Estimation 
 
What is the only way to avoid sampling error? - ANSWER-Census 
 
When do we consider a result to be repeatable? - ANSWER-If the variation among the replicates of the study is too small to change our basic interpretation of those result...
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