Asked by Misty

A soft drink distributor was interested in examining the relationship between the number of ads (x) for his product during prime time on a local television station and the number of sales per week (y) in 1000’s of cases. He compiled the figures for 20 weeks and computed the following summary information: n=20, sum of x=92, sum of y=177, sum product of x and y=884, stdev of x=1.3917 and stdev of y=2.9069. Find the correlation coefficient for the number of ads during prime time
weekly sales.

Answers

Answered by MathGuru
There are several variations of the correlation coefficient formula. Find the one that will use the data given in your problem, then calculate r.
Answered by boby
.9081
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