Which type of chart is most useful when a user is trying to visually represent sets of data as parts of a whole, such as product categories within total sales?

doughnut chart
bubble chart
pie chart
area chart

Consider the simple 3-station assembly line illustrated below, where the 2 machines at station 1 are parallel, i. e., the product only needs to go through one of the 2 machines before proceeding to station 2.what is the throughput time of this process?

The managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an .

Match the items with their respective descriptions.