scatter plots

Front

What type of association does this graph have? Options: positive, negative, none, all of the above

Back

negative

Front

Predict the number of chapters in a book with 180 pages using the trend line from a scatter plot showing the relationship between chapters and pages.

Back

18 chapters

Front

What type of correlation (association) between the outside temperature and the amount of layers you wear? Options: Positive correlation, Negative correlation, No correlation, All of the above

Back

Negative correlation

Front

The number of siblings you have and your weight.

Back

No correlation

Front

As x increases, y increases

Back

positive correlation

Front

What is a trend line that shows the most accurate relationship between x and y and is is very close to most of the data points?

Back

line of best fit

Front

Which scatter plot shows a linear relationship between x and y? Options: Graph A, Graph B, Graph C, Graph D

Back

Graph C

Front

Estimate the correlation coefficient for this scatterplot. Options: r = 1.2, r = 0.89, r = 0, r = -0.89

Back

r = 0.89

Front

Estimate the correlation coefficient for this scatterplot.

Back

r = -0.9

Front

Which is the line of best fit? Options: Black, Orange, Red, Blue

Back

Orange