Dean, Dixon, Jones, and Baxter Unit 3 Vocabulary

Front

What is an outlier?

Back

A value that does not follow the trend.

Front

What does the predicted slope indicate?

Back

The rate of change.

Front

What is the line of best fit?

Back

A line showing the general direction of points.

Front

What is a statistical investigative question?

Back

A question that can be answered with data.

Front

What describes a negative association?

Back

One variable increases, the other decreases; the graph appears to move downward negatively from left to right.

Front

What is a positive association?

Back

Both variables increase; the graph appears to move upward positively from left to right.

Front

What is the mean?

Back

The average of a set of values, calculated by dividing the sum of the values by the number of values.

Front

What is the median?

Back

The middle value in a set of data when arranged in ascending order.

Front

What is a scatter plot?

Back

A graph that shows the relationship between two quantitative variables.

Front

What is correlation?

Back

A measure of the strength and direction of the relationship between two variables.