SOCIOL 3H06 Lecture Notes - Lecture 7: Computer-Assisted Telephone Interviewing, Codebook, Line Graph
10 Feb 2015
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Week 4: organizing data & *exercise 2 now posted (not due until oct. 20) Graphical display of data. Introduction to spss (statistical package for the social sciences) Introduction to course data and codebook. * responses cannot be ranked, and distance between response categories cannot be measured. * responses can be ranked, but distance between response categories cannot be measured. * responses can be ranked, distance can be measured, but there is no theoretical zero. * same as interval, but there is a theoretical zero. Like ordinal data, the order of response categories is important among interval and ratio. Example - personal income among students. * one major problem with these types of data. * often there are too many to present in a meaningful way in a frequency table. * in these cases, it is necessary to collapse categories, creating class intervals. * class or group intervals .
