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Variable
attributes about individuals TERM 2
Summary Table
DEFINITION 2 matrix that contains frequencies and relative frequencies for every class-frequency - number of times that response appears- relative frequency - ratio of frequency to sum of all frequencies TERM 3
Pie Chart
DEFINITION 3 using circle slices, it represents frequency or relative frequencies for all classes TERM 4
Bar Graph
DEFINITION 4 a graphical representation of a frequency or a relative frequency-unstacked-stacked stratified variable - not a variable of interest, secondary
- side by side can compare stratified variable to the side TERM 5
Pareto Chart
DEFINITION 5 Bar graph in descending order by the frequencies
Frequency Polygon
a figure that provides the number of responses at particular values for the variable of interest- when it contains percentages, it is a relative frequency polygon TERM 7
Ogive
DEFINITION 7 When the vertical axis contains the cumulative fequencies or the cumulative relative frequencies TERM 8
Histogram
DEFINITION 8 a figure that also uses at least 5 bars to represent frequencies of responses where:- variable of interest has an interval or ratio level- represent an interval of responses that are INCLUSIVE on the LOWER END and EXCLUSIVE on the UPPER END TERM 9
Classes
DEFINITION 9 numerical intervals TERM 10
Simpson's Paradox
DEFINITION 10 when an auxiliary variable changes the interpretation made on a variable of interest
Time Series
where the variable of interest is modeled over another variable measuring a time period TERM 17
Vertical Axis
Principle
DEFINITION 17 When the vertical axis measures "how much" or "how many" of something, the baseline of the vertical axis should start at zero TERM 18
Area
Principle
DEFINITION 18 when amounts are compared by constructing an image that is proportional for each amount TERM 19
Three Dimensional Graph
Principal
DEFINITION 19 they should not show their tops because if they do, they may look shorter than they are
