elementary statistics 6 easy questions

The above output from the Corr/Regression applet output summarizes the data on prices and square footage of a random sample of houses sold in California during 2006.

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QUESTION 1

  1. Is this an experiment or an observational study?

0.5 points

QUESTION 2

  1. Identify the observational units

0.5 points

QUESTION 3

  1. The next four questions ask you to describe the association found in the scatterplot. First, describe the direction of the association

0.25 points

QUESTION 4

  1. Describe the form

0.25 points

QUESTION 5

  1. Describe the strength.

0.25 points

QUESTION 6

  1. Finally, state any points that appear to be unusual, or say none if you think there are none

0.25 points