Mathematics, 12.03.2021 15:40 wendii87wh

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

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