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Data Cycle

Data Analysis Vocab

TermDefinition
Variable A letter in a math expression or equation that is holding a place for a future value/number. Examples: 2x+5, 9a(2b-7)
Data Cycle A process for data analysis
Representations Different ways to represent the same data set
Analyze To look for meaningful patterns in a data set
Scatterplot Graphical representation of the relationship between two numerical sets of data
Axis, x and y The horizontal (x) and vertical (y) number lines on a coordinate plane
Ordered pairs An x-value and a y-value: (3,5) or (-2,0)
Points The place on a coordinate plane that lines up with an x-value and an y-value
Mapping A graphical representation of a data set, one oval marked x and the other y with arrows from each x-value to an y-value
Table A two-column (or row) table , one labelled x and the other y. Below each variable are numbers that correspond to ordered pairs of a data set.
Line of best fit When all of the data is averaged, a line or curve on a coordinate plane connects or closely matches the points of data.
Linear A function that has a constant rate of change: y=x
Quadratic A function in the shape of a U on a coordinate plane and with an equation where x is squared: y=x^2
Function A relationship between two quantities in which every input corresponds to exactly one output
Relation A relation is a set of ordered pairs that shows a connection or relationship between two sets of elements
Independent variable The x variable of a graph; input
Dependent variable The y variable of a graph; output
Correlation A relationship between the dependent (y) values and independent (x) values
Bivariate data Numerical data represented by two variables (examples: time and distance, age and height)
Created by: user-1871961
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