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STA 301 Module 1 - Introduction to Statistics Exam Questions and Complete Solutions Graded A+ $14.49   Add to cart

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STA 301 Module 1 - Introduction to Statistics Exam Questions and Complete Solutions Graded A+

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STA 301 Module 1 - Introduction to Statistics Exam Questions and Complete Solutions Graded A+

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  • November 4, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Statistics STA
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STA 301 Module 1 -
Introduction to Statistics
Exam Questions and
Complete Solutions
Graded A+
Meanings for Word Statistics - Answer: - Course (STA 301)

-Field of Study

-Specific Value (GPA)



Statistics - Answer: The science of collecting, organizing, analyzing, and interpreting data in the presence
of variability for the purpose of making decisions.



Variability is... - Answer: everywhere!



Variability can be... - Answer: explained.



Factors - Answer: Variables we can manipulate to explain variability



Response Variable - Answer: The variable we measure/underlying variable of interest



Why study statistics? - Answer: 1. Being informed

2. Making good decisions

3.Evaluating decisions

, Descriptive Statistics - Answer: Methods for organizing and summarizing information and displaying data
(can be used with sample OR population data).



Inferential Statistics - Answer: Methods for drawing and measuring the reliability of conclusions about a
population

-Based on information obtained from a sample (cannot work with population data)

-Probability is the basic tool used



Statistics is not... - Answer: a math course.



Context - Answer: Provides the meaning to statistics



Population - Answer: The total set of "all" individuals of interest



Sample - Answer: A subset of "individuals" selected from the population



Parameter - Answer: Numerical characteristic of a population (a fixed quantity)



Statistic - Answer: Numerical characteristic of a sample (a variable quantity)



Statistics ---> Parameters - Answer: Statistics are used to estimate parameters and samples to learn
about populations



Census - Answer: Obtain information from an entire population of interest



Sampling - Answer: Choose a representative sample from the population of interest

-Tends to be representative when each subject in population has equal chance of being selected



Experimentation - Answer: Researchers impose treatments and controls

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