Chapter 15.7, Problem 15.79ACI

America’s most reputable companies. Forbes magazine publishes a list of America’s most reputable companies based on an annual survey conducted by the Reputation Institute. The rankings are based on a “global pulse” score (the higher the score, the more reputable the company). Global pulse scores for 20 of the top companies in 2014 and 2015 are listed in the table. Is there evidence of a positive rank correlation between global pulse scores of firms in 2014 and 2015? Use α = .01. No.

Company	2014	2015
Disney	77.3	79.2
Amazon	72.6	84.1
Kellogg’s	71.5	81.5
Google	77.3	76.4
Nike	73.0	75.5
LEGO	75.1	81.5
Rolex	77.2	75.6
UPS	67.9	79.7
Microsoft	75.0	76.6
BMW	77.2	79.3
FedEx	69.6	78.8
Samsung	75.0	77.3
3M	72.4	78.4
Johnson & Johnson	73.7	75.9
Hershey	69.2	80.0
HJ Heinz	69.7	75.2
Pepsi	66.1	75.0
Caterpillar	70.6	75.1
Ferrero	72.6	76.3
Nestle	73.7	75.6

Source: Reputation Institute, 2014-2015.