Bumble, after watching Bimble's analysis, wants to predict the amount of spending (S) from customers' duration of stay (minutes), age (years), and gender (0 = male, 1 = female) according to the sample data. 6-1 Run an appropriate regression model and report the coefficients below. (select from the dropdown) *If a variable should not be used, select the number "0" (zero). Spending (S) =