Dealing With Data

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A slide presentation for MSSE 580

A slide presentation for MSSE 580

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Transcript

  • 1. Dealing with Data
  • 2. Observation
    Natural
    Experimental
  • 3. Variables
    Qualitative
    Attributes
    Rankable
    Quantitative
    Discreet
    Continuous
  • 4. Relationship between variables
    Independence/dependence
    Readings of two variables are obtained to determine their relationship.
    Independent variable is under the control of the experimenter.
    Frequency of distribution
    Number of observations falling within particular categories.
  • 5. Tables:Primary Organization of Data
  • 6. Replicates
  • 7. GraphsSecondary Organization of Data
    Bar Graph: Data is discreet.
    Line Graph: Data is continuous.
    Scatter Plot: Points are not connected, but a “best of fit” curve is used to express a trend.
  • 8. Bar Graphs
    Label
  • 9. Line Graph
    Y-axis
    (DV)
    Origin
    X-axis
    (IV)
  • 10. Scatter Plot
    Best Fit
    Curve
    Outlier
  • 11. Credits
    <div xmlns:cc="http://creativecommons.org/ns#" about="http://www.flickr.com/photos/thefangmonster/2301364418/"><a rel="cc:attributionURL" href="http://www.flickr.com/photos/thefangmonster/">http://www.flickr.com/photos/thefangmonster/</a> / <a rel="license" href="http://creativecommons.org/licenses/by/2.0/">CC BY 2.0</a></div> (Slide 1)
    http://farm4.static.flickr.com/3106/3214010519_9d55f7ec9e.jpg?v=0 (Slide 2)