A test is conducted to establish whether there is a connection between RPMs and fuel efficiency for

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A test is conducted to establish whether there is a connection between RPMs and fuel efficiency for a new engine designed to run on biofuel. The results of the test are shown in the table:
RPMs (in 100s) Miles per gallon
8..............53
30..............42
18..............48
50..............41
44..............46
Show the scatter diagram. Compute and interpret the covariance.
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Understanding Business Statistics

ISBN: 978-1118145258

1st edition

Authors: Stacey Jones, Tim Bergquist, Ned Freed

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