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TWMM Vocabulary
Test Description: Practice for you vocabulary
Instructions: Answer all questions to get your test result.
1) Two numbers, a and b, that satisfy the equation a+b=0.
A
Function
B
Additive Inverse
C
Scatter Plot
D
Multiplicative Inverse
2) An equation or a graph that describes, at least approximately, the relationship between two variables.
A
Linear Relationship
B
Inverse Variation
C
Mathematical Model
D
Function
3) Non-numerical data sets.
A
Categorical Variables
B
Mathematical Model
C
Scatter Plot
D
Outlier
4) A nonlinear relationship in which the product of two variables is constant. This relationship can be represented by an equation of the form y=kx, or xy=k, where k is a constant.
A
Function
B
Multiplicative Inverse
C
Inverse Variation
D
Linear Relationship
5) A measure of the strength of a linear relationship between two variables using a decimal number between −1 and 1.
A
Additive Inverse
B
Residual
C
Slope
D
Correlation Coefficient
6) The error calculated by finding the difference between an actual data point and the value that a model for the data predicts.
A
Residual
B
Slopre
C
Categorical Variable
D
Scatter Plot
7) Two numbers, a and b, that satisfy the equation ab=1.
A
Residual
B
Additive Inverse
C
Correlation Coefficient
D
Multiplicative Inverse
8) A value that lies far from the “center” of a distribution. This is a relative term, but it indicates a data point that is much higher or much lower than the values that could be normally expected for the distribution.
A
Slope
B
Outlier
C
Categorical Variables
D
Scatter Plot
9) The number that expresses the steepness of a line. This number is the ratio of the vertical change to the horizontal change between any two points on the line.
A
Outlier
B
Slope
C
Linear Relationship
D
Residual
10) A graph used to explore the relationship between two variables.
A
Residual
B
Correlation Coefficient
C
Scatter Plot
D
Mathmatical Model
11) A relationship in which there is a constant rate of change between two variables. This relationship can be represented by a straight-line graph and by an equation of the form y=mx+b. In the equation, m is the slope of the line, and b is the y-int.
A
Functions
B
Mathematical Model
C
Inverse Variation
D
Linear Relationship
12) A relationship between two variables in which the value of one variable depends on the value of the other variable.
A
Linear Relationship
B
Mathmatical Model
C
Inverse Variation
D
Function
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