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Chapter 1. STA 308 The Principles of Statistics Exam Questions and Complete Solutions Graded A+
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Chapter 1. STA 308 The Principles of Statistics Exam Questions and Complete Solutions Graded A+
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Chapter 1. STA 308 ThePrinciples of Statistics
Exam Questions and
Complete Solutions
Graded A+
Definition of statistics. - Answer: Body of Principles and methods concerned with extracting useful
information from data.
What are the two basic areas of statistics? - Answer: 1. Descriptive statistics
2. Inferential statistics
What is descriptive statistics? What are some examples? - Answer: Deals with methods of organizing,
summarizing and presenting data. Ex. graphs, tables, & charts
What is inferential statistics? - Answer: Body of methods for drawing conclusions about a population
based on information available in a sample take from a population.
What is a "population"? What does a population have? - Answer: The set of all individuals or items of
interest in a statistical study. ( A population has parameters).
What is a "parameter"? - Answer: A descriptive measure or characteristic of the population.
What is a "sample"? What are samples used for? - Answer: Part of the population from which
information is collected. (Samples are used to make inferences).
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