The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 1 - Picturing Distributions with Graphs - Check Your Skills - Page 37: 1.15

Answer

(b) Square footage and average monthly gas bill are both quantitative variables.

Work Step by Step

Both variables take numerical values for which arithmetic operations such as adding and averaging make sense. Square footage is measured in square feet and average monthly gas bill is measured in dollars.
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