Given the following range readings for 25 subgroups of size four, determine the process capability. $\begin{array}{cc}
\text { Subgroup } & \text { R } \
1 & 3.2 \
2 & 3.8 \
3 & 3.6\
⋅&⋅\square\
⋅&⋅\square\
⋅&⋅\
24 & 3.6 \
25 & 3.4\&\square=90.0
\end{array}$

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The Answer of Given the following range readings for 25 subgroups of size four, determine the process capability. $\begin{array}{cc}
\text { Subgroup } & \text { R } \
1 & 3.2 \
2 & 3.8 \
3 & 3.6\
⋅&⋅\square\
⋅&⋅\square\
⋅&⋅\
24 & 3.6 \
25 & 3.4\&\square=90.0
\end{array}$

Given the Following Range Readings for 25 Subgroups of Size