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.
Residual
Outliers
Clustering
Association
15
The ___________________ is a number between -1 and 1 that describes the strength and direction of a linear association between two numerical variables.
Residual
Correlation coefficient
Clustering
Outliers
15
The ___________________ travels through the middle of the points the closest.
Linear association
Slope
Y-intercept
Line of best fit
15
Two pieces of data variables being compared at the same time are called ___________________.
Association
Two way table
Bivariate data
Categorical variable
15
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.
Strong relationship
Weak relationship
Negative relationship
Positive relationship
15
The initial or “beginning” value of a situation (where the line crosses the y-axis) is called the ___________________.
Line of best fit
Slope
Linear association
Y-intercept
15
A ___________________ is a variable that takes on values which can be divided into groups or categories.
Categorical variable
Association
Bivariate data
Two way table
15
A ___________________ is one in which a change in one of the variables causes a change in the other variable.
Linear association
Negative relationship
Causal relationship
Positive relationship
15
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.
Positive relationship
Non linear association
Linear association
Negative relationship
15
A relationship between two numerical variables is a ___________________ if the data is tightly clustered around the best fit line.
Weak relationship
Negative relationship
Positive relationship
Strong relationship
15
A scatter plot has ___________________ when there are data points that do not fit the general pattern of the majority of the data.
Correlation coefficient
Clustering
Outliers
Residual
15
The _________ is the difference between the y-value for a point in a scatter plot and the value predicted by a linear model.
Correlation coefficient
Clustering
Residual
Outliers
15
The ___________________ is the steepness of a line; the rate of change.
Linear association
Y-intercept
Line of best fit
Slope
15
A ___________________ is a way of organizing data from two categorical variables in order to investigate the association between them.
Bivariate data
Association
Two way table
Categorical variable
15
A ___________________ is a characteristic of individuals in a population that can take on different values.
Statistic
Y-intercept
Slope
Variable
15
A ___________________ is a graph that displays data points for two sets of data.
