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What is the meaning of the algebra term variable?
variable is the unknown number. usually represented as a letter
What is an unknown quantity usually represented by a letter called?
A variable.
What Has a changing value usually represented by a number in a math sentence?
A Variable
What is the mathematical representation of an unspecified number?
This is represented by a variable, usually some letter.
The multiple regression statistical method is used to examine what relationship?
The multiple regression statistical method examines the relationship of one dependent variable (usually represented by 'Y') and one independent variable (represented by 'X').
What would a variable expression be for twice a number?
If the number is represented by variable x, then twice the number is represented by 2x.
What can a line graph tell you about the relationship between the variables in an expeirament?
It can tell you how the dependent variable (usually represented on the y-axis) changes in relation (and hence the rate of change) to the independent varaible (usually represented on the x-axis).
What is the math definition of variable?
A variable is an unknown number represented by a letter
What represented a numerical factor?
a variable
What is the variable for coulombs?
The variable for charge in coulombs is typically represented by the letter "Q".
Are Inputs represented by the variable x?
Not necessarily.
What is a tabular summary of data for two variables one variable represented by rows and one variable represented by columns called?
Cross-tabulation or two-way tabulation.
