Jump to level 1 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 100000 Regression Statistics Multiple R 0.627615 Sales revenue (in dollars) R Square 0.393901 50000 Adjusted R Square 0.372254 Standard Error 22633.47 Observations 30 0 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 correlation