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Statistics I - observations in the data set Class...

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Statistics I 10/05/2010 18:44:00 Valerie Bodden Kluge Statistics I Monday, May 10, 2010 Professor Miladeh Know these terms:  Bias Frequency Mean Population Reliability Variance Descriptive Histogram Median Qualitative Sample Deviation Inferential Mode Quantitative total number Survey
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More key terms: Class: one of the categories into which qualitative can be classified. Class frequency: the number of observations in the data set falling into a  particular class. Class relative frequency: the class frequency divided by the numbers of 
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Unformatted text preview: observations in the data set. Class percentage: is the class relative frequency multiplied by 100. Pareto diagram: Bar graph arranged from the highest bar to the smallest from left to right. Class Example: Time they woke up Max: 13.5 Min: 5.5 Range: 8 Classes: 5 Interval=range/# of classes=8/5=1.6 Classes Frequency 5.5-7.1 7 7.2-8.8 3 8.9-10.5 5 10.6-12.2 5 12.3-13.5 4 Total 22...
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