A medical facility does MRIs for sports injuries. Occasionally a test yields inconclusive results and must be repeated. the table below shows the number of resists in eight samples and each contains 150 mri results. the manager needs to select a proper control chart to see if the process is within three-sigma limits. which of the following statement is correct? number of retests in each sample are 1, 2, 4, 2, 3, 3, 2, and 1.
Answer Choice:
A) The lower control limit is negative.
B) More data points are below the center line.
C) A C-chart is the best choice for this case.
D) The upper control limit is more than 0.10
E) There is an upward trend on the plotting of the control chart