Applied Statistics
Applied Statistics
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Applied Statistics Quiz 1 Study Guide
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---3April 20232022/2023
- Population - Answer- The collection of all measurements to data that are being considered. 
 
Ex. All 38 million carbon monoxide detectors in the United States. 
 
Sample - Answer- A sub-collection from a population. 
 
Ex. THe 30 carbon monoxide detectors that were selected and tested. 
 
Parameter - Answer- Numerical measurement describing a characteristic of an entire population. 
 
Statistic - Answer- numerical measurement describing a characteristic of a sample. 
 
Quantitative Data - Ans...
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QUEENS
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Exam (elaborations)
Introduction: Statistics - The Science and Art of Data Exam Questions and answers
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--2November 20252025/2026A+Available in bundle
- Introduction: Statistics - The Science and Art of 
Data Exam Questions and answers 
statistics - the science of collecting, analyzing, and drawing conclusions from data 
individual - a person, place, or object that is described in a set of data 
variable - an attribute that can take different values for different individuals 
categorical variable - assigns labels that place each individual into a particular group, called a 
category
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DrJOHNJAMES
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Exam (elaborations)
Applied Statistics Quiz 2 2023 with complete solution questions and answers
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---2April 20232022/2023A+
- What research decisions influence the magnitude of Type I error? 
The nominal alpha level sets the limit on the magnitude of risk of Type I error. The risk of committing the error is the alpha level. 
 
Example: alpha level = .05, the risk of committing error is 5%. 
 
 
 
How are risk of Type II error and statistical power related? 
Risk of Type II error is beta and statistical power is (1-beta). So, as risk of Type II error increases, statistical power decreases. 
 
 
 
Other factors being equ...
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Arthurmark