# TWMM Vocabulary: Question Preview (ID: 27398)

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Two numbers, a and b, that satisfy the equation a+b=0. |
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a) Function | b) Scatter Plot | c) Additive Inverse | d) Multiplicative Inverse | |

An equation or a graph that describes, at least approximately, the relationship between two variables. |
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a) Inverse Variation | b) Mathematical Model | c) Linear Relationship | d) Function | |

Non-numerical data sets. |
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a) Categorical Variables | b) Outlier | c) Scatter Plot | d) Mathematical Model | |

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. |
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a) Function | b) Inverse Variation | c) Multiplicative Inverse | d) Linear Relationship | |

A measure of the strength of a linear relationship between two variables using a decimal number between −1 and 1. |
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a) Slope | b) Residual | c) Additive Inverse | d) Correlation Coefficient | |

The error calculated by finding the difference between an actual data point and the value that a model for the data predicts. |
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a) Slopre | b) Scatter Plot | c) Residual | d) Categorical Variable | |

Two numbers, a and b, that satisfy the equation ab=1. |
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a) Additive Inverse | b) Residual | c) Multiplicative Inverse | d) Correlation Coefficient | |

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. |
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a) Outlier | b) Slope | c) Categorical Variables | d) Scatter Plot | |

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. |
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a) Outlier | b) Residual | c) Linear Relationship | d) Slope | |

A graph used to explore the relationship between two variables. |
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a) Mathmatical Model | b) Residual | c) Correlation Coefficient | d) Scatter Plot | |

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. |
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a) Inverse Variation | b) Linear Relationship | c) Mathematical Model | d) Functions | |

A relationship between two variables in which the value of one variable depends on the value of the other variable. |
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a) Linear Relationship | b) Function | c) Inverse Variation | d) Mathmatical Model | |

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