Consider a company that is implementing a control chart for means. In this company samples are taken and the average is computed for each sample. The sample means are then plotted on a graph. Given this information which of the following would indicate that the process is out of control? O one of the sample means is below the upper control limit. one of the sample means is above the lower control limit. one of the sample means is below the lower control limit. none of the above would indicate an out-of-control process