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STA 2023 CHAPTER 1 STUDY GUIDE (TERMS AND IMPORTANT POINTS 2 KNOW). $14.49   Add to cart

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STA 2023 CHAPTER 1 STUDY GUIDE (TERMS AND IMPORTANT POINTS 2 KNOW).

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  • Statistics STA

STA 2023 CHAPTER 1 STUDY GUIDE (TERMS AND IMPORTANT POINTS 2 KNOW).

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  • November 4, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Statistics STA
  • Statistics STA
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STA 2023 CHAPTER 1
STUDY GUIDE (TERMS
AND IMPORTANT
POINTS 2 KNOW)
statistics - Answer: Statistics is the science of collecting, analyzing, presenting, and interpreting data, as
well as making decisions based on such analyses



descriptive statistics - Answer: methods for organizing, displaying, and describing data by using tables,
graphs, and summary measures



inferential statistics - Answer: methods that use sample results to help make decisions or predictions
about a population



population - Answer: the set of all elements - people, items, objects, animals, etc. - whose characteristics
are under study



sample - Answer: a subset (or portion) of a population



Parameter - Answer: a numerical measure that represents a population



statistic - Answer: a numerical measure that represents a sample



Observation - Answer: the value of a variable for an element, a single piece of data (a datum)



Variable - Answer: a characteristic under study that assumes different values for different elements

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