A small business is trying to determine the effect of a social media marketing campaign on sales. The plot below shows the relationship between the social media advertising costs and sales revenue. The linear regression output is shown beloW. 150000 Regression Statistics Multiple R R Square 100000 0.627615 0.393901 Adjusted R Square 0.372254 50000 Standard Error 22633.47 Observations 30 10000 15000 20000 25000 Social media advertising costs (in dollars) R= Ex: 0.654321 What is the correlation between advertising costs and sales revenue? Pick v correlation

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