Click the icon to view the table of control chart constants Upper A $2,$ Upper D $4,$ Upper D $3.$

Part $2$

$$a$)$ What is the value of x double overbar$?$

x double overbarequals

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$153\mathrm{.}96$ mm $($round your response to two decimal$$ places$).$

Part $3$

$$b$)$ What is the value of Upper R overbar$?$

Upper R overbarequals

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$4\mathrm{.}40$ mm $($round your response to two decimal$$ places$).$

Part $4$

$$c$)$ What are the UCL Subscript x overbar and LCL Subscript x overbar using $3$sigma$?$

Upper Control Limit $($UCL Subscript x overbar$)$equals

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enter your response here mm $($round your response to two decimal$$ places$).$