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Chapter 1 The Role of Statistics
Three Reasons to Study Statistics ,[object Object],[object Object],[object Object],[object Object]
Three Reasons to Study Statistics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Three Reasons to Study Statistics ,[object Object],[object Object]
What is Statistics? ,[object Object],[object Object],[object Object],[object Object]
Major Branches of Statistics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Important Terms ,[object Object],[object Object],[object Object],[object Object]
Important Terms ,[object Object],[object Object],[object Object],[object Object]
Discussion on Important Terms ,[object Object],[object Object]
Important Terms ,[object Object],[object Object],[object Object],[object Object],[object Object]
Important Terms ,[object Object],[object Object]
Important Terms ,[object Object],[object Object]
Data Sets ,[object Object],[object Object]
Examples of categorical Data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Types of Numerical Data ,[object Object],[object Object]
Examples of Discrete Data ,[object Object],[object Object],[object Object],[object Object],[object Object]
Examples of Continuous Data ,[object Object],[object Object],[object Object],[object Object]
Examples of Continuous Data ,[object Object],[object Object],[object Object],[object Object],[object Object]
Frequency Distributions ,[object Object],[object Object]
Frequency Distributions ,[object Object],When the table includes relative frequencies, it is sometimes referred to as a relative frequency distribution .
Classroom Data Example This slide along with the next contains a data set obtained from a large section of students taking Data Analysis in the Winter of 1993 and will be utilized throughout this slide show in the examples.
Classroom Data Example continued
Frequency Distribution Example The data in the column labeled vision is the answer to the question, “What is your principle means of correcting your vision?” The results are tabulated below
Bar Chart – Procedure ,[object Object],[object Object],[object Object]
Bar Chart – Example (frequency)
Bar Chart – (Relative Frequency)
Another Example
Dotplots - Procedure ,[object Object],[object Object]
Dotplots - Example Using the weights of the 79 students
Dotplots – Example continued To compare the weights of the males and females we put the dotplots on top of each other, using the same scales.

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Chapter01

  • 1. Chapter 1 The Role of Statistics
  • 2.
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  • 4.
  • 5.
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  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21. Classroom Data Example This slide along with the next contains a data set obtained from a large section of students taking Data Analysis in the Winter of 1993 and will be utilized throughout this slide show in the examples.
  • 23. Frequency Distribution Example The data in the column labeled vision is the answer to the question, “What is your principle means of correcting your vision?” The results are tabulated below
  • 24.
  • 25. Bar Chart – Example (frequency)
  • 26. Bar Chart – (Relative Frequency)
  • 28.
  • 29. Dotplots - Example Using the weights of the 79 students
  • 30. Dotplots – Example continued To compare the weights of the males and females we put the dotplots on top of each other, using the same scales.