Required: 1. Perform a least-squares regression analysis on Camp Rainbow's data. 2. Using the regression output, create a cost equation (y = a + bx) for estimating Camp Rainbow's operating costs. 3. Using the least-squares regression results, calculate the camp's expected operating cost if 90 children attend a session. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Perform a least-squares regression analysis on Camp Rainbow's data. (Use Microsoft Excel or a statistical package to find the coefficients using least-squares regression. Round your answers to 2 decimal places.) Intercept X Variable 1 Coefficients < Required 1 Required 2 >