Functions & Data Review

Front

What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

Front

What is NOT a function?

Back

A relation where an input is related to more than one output is NOT a function.

Front

How do you interpret a scatter plot?

Back

A scatter plot shows the relationship between two variables; the pattern of points can indicate correlation.

Front

What does a positive linear relationship look like on a scatter plot?

Back

In a positive linear relationship, as one variable increases, the other variable also increases, forming an upward trend.

Front

What does a negative linear relationship look like on a scatter plot?

Back

In a negative linear relationship, as one variable increases, the other variable decreases, forming a downward trend.

Front

What is the Mean Absolute Deviation (MAD)?

Back

MAD is a measure of the dispersion of a set of data points; it is the average of the absolute differences from the mean.

Front

What is the first step in calculating the Mean Absolute Deviation?

Back

Find the mean of the data.

Front

What is a trend line in a scatter plot?

Back

A trend line is a straight line that best represents the data on a scatter plot, indicating the direction of the relationship.

Front

What does 'no association' mean in data analysis?

Back

'No association' means there is no discernible relationship between the two variables being analyzed.

Front

What is a linear relationship?

Back

A linear relationship is a relationship that can be graphically represented as a straight line.