summation notation

Examples of summation notation in the following topics:

• Summation Notation

  • Use summation notation to express the sum of a subset of numbers
  • Fortunately there is a convenient notation for expressing summation.
  • This section covers the basics of this summation notation.
  • The Greek letter Σ indicates summation.
  • When all the scores of a variable (such as X) are to be summed, it is often convenient to use the following abbreviated notation:

• Summation Notation

  • In statistical formulas that involve summing numbers, the Greek letter sigma is used as the summation notation.
  • Fortunately there is a convenient notation for expressing summation.
  • This section covers the basics of this summation notation.
  • This can be achieved by using the summation notation "$\Sigma$ " Using this sigma notation, the above summation is written as:
  • Discuss the summation notation and identify statistical situations in which it may be useful or even essential.

• Notation

  • The notation for the F distribution is F∼Fdf(num),df(denom) where df(num) = dfbetween and df(denom) = dfwithin

• Notation

• Random Variable Notation

• Notation for the Hypergeometric: H = Hypergeometric Probability Distribution Function X ~ H (r,b,n)

• Notation for Poisson: P = Poisson Probability Distribution Function X ~ P(u)

• The Scope of the Normal Approximation

  • A distribution being "smoothed out" by summation, showing original density of distribution and three subsequent summations

• Notation for the Geometric: G = Geometric Probability Distribution Function X ~ G(p)

• Factorial Experiments: Two Factors

  • This table shows the notation used for a 2x2 factorial experiment.
  • Outline the design of a factorial experiment, the corresponding notations, and the resulting analysis.