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Week_4_powerpoint - ScWk 240 Week 4 Levels of Measurement...

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ScWk 240 Week 4 Levels of Measurement and Measurement Error 1 240 Week 4
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Levels of measurement Categorical Variables Continuous Variables Nominal scale Ordinal Scale Interval scale Ratio Scale Ordered XXX Equal intervals XX Absolute zero X 2 240 Week 4
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What’s the level of measurement? Degrees of Fahrenheit scale. Degrees of the Kelvin Scale ( hint: “absolute 0” is the coldest it can get, theoretically) On a scale of 1= very unsatisfied to 5 = highly satisfied Number of people who attend a training Gender All Likert scales Total annual income Income categories: $0 to $24,999 $25,000 to $49,999 $50,000 to $74,999 $75,000 or above 3 240 Week 4
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OK, we’ll do some more… Percentage of training attendees who are African American San Jose State’s 2007 football win/loss ratio “I like anchovies: Yes or No” How much do I like anchovies: A lot Somewhat No opinion Not so much Don’t let them anywhere near me.
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This note was uploaded on 09/08/2010 for the course SCWK 242 at San Jose State.

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Week_4_powerpoint - ScWk 240 Week 4 Levels of Measurement...

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