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Question 21 (1 point) Listen An insurance company that offers multiple types of coverage wants to conduct a customer satisfaction survey. The coverages consist of auto, homeowner, rental, life, disability, and liability. If the company randomly selects two types of coverage and surveys every customer with those two coverage types, what sampling method would this represent? Stratified Systematic Cluster Simple Random Sample (SRS) Question 22 (1 point) Listen A study was conducted by the Director of Parking and Transportation at a large university. Some of the variables in the study are listed below. Which one of them is a qualitative (categorical) variable? How many miles the student drives to campus The number of days per week the student parks a vehicle on campus If the student lives on campus or commutes How long (in minutes) it takes the student to get to campus Question 23 (1 point) Listen The following output lists descriptive statistics for the highway gas mileages of thousands of compact automobiles. What is the interquartile range (IQR) for these gas mileages? Mean Median Sto Deviation Q1 Q3 Min Max 22.42 22 7.37 19 25 13 107 2777 03 06 O 94 O D