1. An industrial group reports that there were approximately 122,000 industrial robots operating in a region last year. The graph shows the percentages of industrial robot units assigned to each of six task categories.
Complete parts a through e bellow.
a. What type of graph is used to describe the data?
A. Pie chart
B. Bar graph
C. Pareto diagram
b. Identify the variable measured for each of the 122,000 industrial robots
A. Percentage of industrial robots
B. Number of industrial robots
C. Efficiency of each industrial robot
D. Task of each industrial robot
c. Use the graph to identify the task that uses the lowest percentage of industrial robots
A. Arc welding
B. Assembly
C. Material handling
D. Material removal