A study was conducted on the percent of total advertising dollars spent by ten local firms for advertising in the press and on cable television. Results were ranked with a resulting sum of squared differences equal to 128. What is Spearman's coefficient of rank correlation?
A) -0.871
B) +0.224
C) +0.234
D) -0.234

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The Answer of A study was conducted on the percent of total advertising dollars spent by ten local firms for advertising in the press and on cable television. Results were ranked with a resulting sum of squared differences equal to 128. What is Spearman's coefficient of rank correlation?
A) -0.871
B) +0.224
C) +0.234
D) -0.234

A Study Was Conducted on the Percent of Total Advertising