Scatter Plots and Lines of Best Fit

Front

A point far away from the other data points is considered a(n) ____?

Back

Outlier

Front

The relationship between the height of a candle and the amount of time the candle burns is an example of ____ correlation.

Back

Negative correlation

Front

What does a scatter plot show?

Back

A scatter plot shows the relationship between two variables.

Front

If a scatter plot shows a positive correlation, what does that mean?

Back

As one variable increases, the other variable also increases.

Front

If a scatter plot shows a negative correlation, what does that mean?

Back

As one variable increases, the other variable decreases.

Front

What is a line of best fit?

Back

A line that best represents the data on a scatter plot, showing the trend of the data.

Front

How can you use a line of best fit to make predictions?

Back

You can extend the line to estimate values for variables not directly measured.

Front

What does it mean if there is no correlation in a scatter plot?

Back

There is no predictable relationship between the two variables.

Front

In a scatter plot, what does a cluster of points indicate?

Back

A cluster indicates that there are many data points close together, suggesting a common relationship.

Front

If Owen plants 500 seeds, and the line of best fit predicts a growth of 50 plants, is this statement true or false?

Back

False