Companies that produce pipes want to evaluate the products they produce. There are 3 quality characteristics that are me

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Companies that produce pipes want to evaluate the products they produce. There are 3 quality characteristics that are measured by the company on the pipes it produces, namely the length of the pipe, the diameter of the pipe and the weight of the pipe. Therefore, the company takes 2 pipe samples per day for one week (7 days). The data is random, where the pipe lengths are normally distributed with an average of 10 cm and a standard deviation of 1.6 cm. The pipe diameter has an average of 2 cm and a standard deviation of 0.1 cm. While the pipe weight has an average of 0.8 kg and a standard deviation of 0.6 kg. Perform evaluations by creating control charts manually. Is the pipe production process statistically controlled?