Select all that apply.

On a control chart, which of the following would indicate an out of control process? Check all that apply. single observation of the sample statistic above the UCL o A sample statistic readings that consistently increase over 5 or more consecutive points Variation in the sample statistic that appears to decrease over time A pattern in the sample statistic that repeats consistently every few days A single observation of the sample statistic falling between UCL and LCL