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Unit 3 Vocab
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  • The first answer in the multiple choice question must be the correct answer.

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A scatter plot has ___________________ when data points form distinct groups.
 
Clustering
 
Residual
 
Correlation coefficient
 
Outliers
A relationship between two numerical variables is a ___________________ if the data is loosely spread around the best fit line.
 
Weak relationship
 
Strong relationship
 
Negative relationship
 
Positive relationship
Two variables have a ___________________ when a line cannot be reasonably drawn through data points because the points would not all stay close to the line.
 
Non linear association
 
Positive relationship
 
Negative relationship
 
Linear association
A ___________________ is a version of a two-way table in which the value in each cell is divided by the total number of responses in the entire table or by the total number of responses in a row or a column.
 
Relative frequency
 
Two way table
 
Residual
 
Scatter plot
A relationship between two numerical variables is a ___________________ if an increase in the data for one variable tends to be paired with an increase in the data for the other variable.
 
Positive relationship
 
Strong relationship
 
Negative relationship
 
Weak relationship
A ___________________ is a graph that displays data points for two sets of data.
 
Scatter plot
 
Two way table
 
Residual
 
Relative frequency
A ___________________ is a characteristic of individuals in a population that can take on different values.
 
Statistic
 
Variable
 
Slope
 
Y-intercept
A ___________________ is a way of organizing data from two categorical variables in order to investigate the association between them.
 
Two way table
 
Categorical variable
 
Bivariate data
 
Association
The ___________________ is the steepness of a line; the rate of change.
 
Slope
 
Linear association
 
Y-intercept
 
Line of best fit
The _________ is the difference between the y-value for a point in a scatter plot and the value predicted by a linear model.
 
Residual
 
Outliers
 
Correlation coefficient
 
Clustering
A scatter plot has ___________________ when there are data points that do not fit the general pattern of the majority of the data.
 
Outliers
 
Residual
 
Correlation coefficient
 
Clustering
A relationship between two numerical variables is a ___________________ if the data is tightly clustered around the best fit line.
 
Strong relationship
 
Positive relationship
 
Negative relationship
 
Weak relationship
Two variables have a ___________________ when a line can be reasonably drawn through the points of the graph and the majority of the points follow the line closely.
 
Linear association
 
Positive relationship
 
Negative relationship
 
Non linear association
A ___________________ is one in which a change in one of the variables causes a change in the other variable.
 
Causal relationship
 
Positive relationship
 
Negative relationship
 
Linear association
A ___________________ is a variable that takes on values which can be divided into groups or categories.
 
Categorical variable
 
Two way table
 
Bivariate data
 
Association
The initial or “beginning” value of a situation (where the line crosses the y-axis) is called the ___________________.
 
Y-intercept
 
Linear association
 
Slope
 
Line of best fit
A relationship between two numerical variables is a ___________________ if an increase in the data for one variable tends to be paired with a decrease in the data for the other variable.
 
Negative relationship
 
Positive relationship
 
Strong relationship
 
Weak relationship
Two pieces of data variables being compared at the same time are called ___________________.
 
Bivariate data
 
Two way table
 
Categorical variable
 
Association
The ___________________ travels through the middle of the points the closest.
 
Line of best fit
 
Linear association
 
Slope
 
Y-intercept
The ___________________ is a number between -1 and 1 that describes the strength and direction of a linear association between two numerical variables.
 
Correlation coefficient
 
Residual
 
Outliers
 
Clustering
In statistics we say that there is an ___________________ between two variables if the two variables are statistically related to each other; if the value of one of the variables can be used to estimate the value of the other.
 
Association
 
Clustering
 
Outliers
 
Residual
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