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You are given data on number of radio ads and sales for a local department store....

You are given data on number of radio ads and sales for a local department store. You had observations for 20 months. The correlation between ads and sales is 0.40. Does this indicate a positive and significant relationship between ads and sales at the 5% level of significance?

a. There is not enough information to determine significance

b. No, because p value is 0.97.

c. Yes, because p value is 0.03.  

d. No, because p value is 0.06.

Math   Statistics-And-Probability   
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