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File: Spssintro
outline review of concepts stats and scales data entry the workspace and labels by hand import excel running an analysis frequency central tendency correlation 2 types of variables what are ...

icon picture PPT Filetype Power Point PPT | Posted on 08 Sep 2022 | 3 years ago
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                     Outline
     •Review of Concepts (stats and 
       scales)
     •Data entry (the workspace and 
       labels)
        – By hand
        – Import Excel
     •Running an analysis- frequency, 
       central tendency, correlation 
                                                2
                  Types of Variables
       • What are variables you would 
         consider in buying a second 
         hand bike?
         • Brand (Trek, Raleigh)
         • Type (road, mountain, racer)
         • Components (Shimano, no 
            name)
         • Age
         • Condition (Excellent, good, 
            poor)
         • Price
         • Frame size
         • Number of gears
                                                              7
                   Rowntree, D. (1981). Statistics without tears. London: Penguin Books.
                Types of Scales
     • Nominal- objects or people are 
       categorized according to some criterion 
       (gender, job category)
     • Ordinal- Categories which are ranked 
       according to characteristics (income- 
       low, moderate, high)
     • Interval- contain equal distance 
       between units of measure- but no zero 
       (calendar years, temperature)
     • Ratio- has an absolute zero and 
       consistent intervals (distance, weight)
                                                8
     Parametric vs Non-parametric
     •Parametric stats are more powerful 
       than non-parametric stats- for real 
       numbers- T test
     •Non-parametric stats are not as 
       powerful but good for category 
       variables - Mann-Whitney U (likert)
                                                9
                The Workspace
     Variables                         Value labels
      Cases
 Toggle between 
 Data and Variable 
 Views
                                               10
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...Outline review of concepts stats and scales data entry the workspace labels by hand import excel running an analysis frequency central tendency correlation types variables what are you would consider in buying a second bike brand trek raleigh type road mountain racer components shimano no name age condition excellent good poor price frame size number gears rowntree d statistics without tears london penguin books nominal objects or people categorized according to some criterion gender job category ordinal categories which ranked characteristics income low moderate high interval contain equal distance between units measure but zero calendar years temperature ratio has absolute consistent intervals weight parametric vs non more powerful than for real numbers t test not as mann whitney u likert value cases toggle variable views...

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