Question: Consider the data of Table 17.1. Suppose that additional samples of size 5 are taken and tensile strength recorded. The sampling produces the following results

Consider the data of Table 17.1. Suppose that additional samples of size 5 are taken and tensile strength recorded. The sampling produces the following results (in pounds per square inch).(a) Plot the data, using the X- and R - charts for the preliminary data of Table 17.1.(b) Docs the process appears to be in control? If not, explainwhy. Sample R 22 14 1511 1508 1522 1488 1519 1524 1519 1504

Sample R 22 14 1511 1508 1522 1488 1519 1524 1519 1504 1500 1519 14 3 4 11 18 11 10 8.

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