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Introduction to Statistics

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									Introduction to Statistics

        Information Technology
                College

             Introduction to
       Computer Statistical Packages

              Eng. Heba Hamad
                  Lecture 1



                   Lecture 1           1
Introduction to Statistics


  Instructor       Heba M. Hamad


  Email           h.hamad@up.edu.ps


  Office Hours    Monday 10-11




                 Lecture 1            2
Introduction to Statistics

  Text Book:

  Elementary of Statistics, Mario F. Triola . 8th
  edition. 2000.
  References:
  Any Statistics Book




                           Lecture 1                3
Introduction to Statistics
                              Contents
 Introduction to Statistics
 Summarizing and Graphing Data
 Statistics for Describing, Exploring, and Comparing Data
 Probability
 Probability Distributions
 Normal Probability Distributions
 Correlation and Regression

                              Lecture 1                 4
Introduction to Statistics

                  Grading
  Course work                   30%
  Mid-term exam                 30%
  Final exam                    40%
  Total                         100%




                    Lecture 1          5
Introduction to Statistics
    Why Study Statistics?
1.    The Numerical information is
      everywhere:
     Some Examples:
-     In 2001, the typical household income in the
      United States was 42,228$. For households in
      the Northeast the typical income was 45,716$,
      43,834$ in the Midwest, 38,904$ in the south,
      and 45,087$ in the west
                        Lecture 1                 6
Introduction to Statistics
     Why Study Statistics?

1.    The Numerical information is
      everywhere:
     Some Examples:
-     The National Coffee Association found 54% of
      the adult population drinks coffee every day.
      Men drink an average of 1.9 cups per day and
      women 1.4.

                         Lecture 1                    7
Introduction to Statistics
 Why Study Statistics?
2.   The Statistical Techniques are used to
     make decisions that affect our daily lives.
Some Examples:
-  Insurance companies use statistical analysis to set
   rates for home, automobile, life and health
   insurance. Tables are available that summarize the
   probability that a 25-year old women will survive
   the next year. On the basis of these probabilities,
   life insurance premiums can be establishes.
                        Lecture 1                   8
Introduction to Statistics
    Why Study Statistics?
2.   The Statistical Techniques are used to
     make decisions that affect our daily lives.
Some Examples:
-    Medical researchers study the cure rates of
     diseases using different drugs and different
     forms of treatment. For example, if you take an
     aspirin each day, does that reduce your risk of a
     heart attack?
                         Lecture 1                  9
Introduction to Statistics
 Why Study Statistics?

 3.   No matter what your career, you will make
      professional decisions that involve data.
      An understanding of statistical methods
      will help you make these decisions more
      effectively.


                     Lecture 1             10
Introduction to Statistics

  How to Succeed in Statistics
    Attend all lectures
    Take notes in lectures
    Read the textbook
    Read chapters more than once.
    Do extra problems
    Don’t leave formal assignments until the last
     minute.
    Seek help from your instructor.
                          Lecture 1                  11
Introduction to Statistics

  General Example




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Introduction to Statistics




                Lecture 1    13

								
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