Data was collected on salaries of compliance specialists in corporate accounting firms. The salaries ranged from $67,000 to $307,000. . If these values are grouped into six class intervals, indicate the class boundaries b. What class interval width was chosen? c. What are the six class midpoints? a. Indicate the class boundaries. Class Class Boundaries 1 67000 but less than 2 but less than 3456 6 but less than but less than but less than but less than