While many analysts understand how to interpret the parameter estimates from linear regression with continuous input variables, they may feel less comfortable with parameter estimates from models with categorical inputs.
Part-time Package Handler Job Salary Information. Package handlers in the United States typically make an average of $10.91 an hour. Compensation typically ranges between $9 on the low end and $14.30 on the high end, although some package handlers working for established firms like UPS can make as much as $18 an hour. As with all part-time jobs, the amount of hours that you work will determine your annual salary.
According to PayScale.com in May 2016, airport ramp agents or airline baggage handlers earned an average wage of $12.00 per hour. Based on this information, airport ramp agents who work 40 hours a week could earn $24,960 a year. As reported by the U.S. Bureau of Labor Statistics in May 2015, aircraft cargo handling supervisors earned a mean annual wage of $48,870.