Requirement 1. use the high-low method to calculate the variable cost per machine hour and the total fixed utility cost. first, calculate the variable cost per machine hour. select the formula labels, then enter the amounts and compute the variable cost per machine hour. (use the high-low method. round your answer to the nearest cent.)

True of false: the chancellor of a university has commissioned a team to collect data on students' gpas and the amount of time they spend bar hopping every week (measured in minutes). he wants to know if imposing much tougher regulations on all campus bars to make it more difficult for students to spend time in any campus bar will have a significant impact on general students' gpas. his team should use a t test on the slope of the population regression.