Math Analysis II
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15 Terms
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x with a bar at the top
mean
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Sigma X
Sum of data
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Sx
Standard deviation of sample
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σx
Standard deviation of population
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n
Total number of data value
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Q1
Lower Quartile
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Q2
Median
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Q3
Upper Quartile
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Continuous
Can find a number between two numbers (weight, time, length)
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Discrete
Cannot find # between two # (Shoe size, number of car in a parking lot)
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Mode / Modal
Number with the highest frequency
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Mean
Sum of data divided by the number of data
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Median
Middle value of data
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Lower outlier
When x<Q1 / Q1-1.5 multiplied by Interquartile Range
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Upper Outlier
When x>Q3 / Q3 +1.5 multiplied Interquartile Range
Note 
Flashcards (48)