Final answer:
Statistics - Control limits for sample means of weights of boxes of Oat Flakes are set to include 99.73% of the sample means, corresponding to three standard deviations from the mean.
Step-by-step explanation:
The subject of this question is Statistics. To set control limits for the sample means of the weights of boxes of Oat Flakes, the managers are using statistical techniques. They want to set control limits that include 99.73% of the sample means, which corresponds to three standard deviations from the mean. By doing so, they can identify any unusual variations in the weight of the boxes and take appropriate actions.