Which is currently the greatest challenge in using additive manufacturing to produce more sophisticated, high valued parts? O workforce skills O modification of processes O quality assurance O intellectual property rights Which of the following statements about "big data" is false? O It is not necessary for operations managers to be involved in implementation of "big data" processes. Firms use high-powered analytical models to sift through the data O Data may be collected instantly or over a period of months. The data must be organized and analyzed to be of any use