adv stat hw-levels of measurement

adv stat hw-levels of measurement - G5 Arlene Dizon...

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G5 Arlene Dizon 06/10/09 III-Neon Levels of Measurement – The relationship among the values that are assigned to a variable and the attributes of that variable. In part, the type of inferential statistics used depends upon the level of measurement. The four levels of measurement are: nominal, ordinal, interval, and ratio. Nominal Measurement This refers to categories of measurement. There is no numerical value. This is the weakest form of measurement. Examples: specie gender skin complexion hair color nationality Ordinal Measurement The attributes can be rank-ordered. However, the distances between the rankings do not have any meaning. A Likert Scale is a good example of ordinal measurement. Although the rankings go from 1 to 5, these numbers are only used to represent the order of the response. You cannot further analyze it to say that a score of 4 (agree) is twice as strong as a score of 2 (disagree). Therefore, we only use the ranked levels themselves and do not apply any
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adv stat hw-levels of measurement - G5 Arlene Dizon...

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