Math 8- Stats Practice

Front

What does the line of best fit represent?

Back

The general trend in the data.

Front

Predicting the number of days to finish when you read 40 pages is an example of:

Back

Extrapolation.

Front

Is this line an accurate line estimate of best fit for the data?

Back

No.

Front

What are the coordinates of the outlier?

Back

(9,1).

Front

What type of association does this graph show?

Back

None.

Front

What is a line of best fit?

Back

A straight line that best represents the data on a scatter plot.

Front

What is interpolation?

Back

Estimating a value within the range of known data points.

Front

What is an outlier?

Back

A data point that differs significantly from other observations.

Front

What does a positive association in a graph indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative association in a graph indicate?

Back

As one variable increases, the other variable decreases.