QUESTION:

Is the process "In Control" or "Out of Control"?

To determine if their 3.00 centimeter galvanized pipes are properly adjusted; lackson Inc. has decided to use an iChart which uses the range to estimate the variability in the sample. Table Control Chart Copy Table Step 5 of I: Use the following sample data, taken from the next time periodr to determine if the process is "In Controlll or "Clut of Control". Observations: 3.09, 3.03, 2.93, 3.01, 3, 2.96 5ample Mean: 3 Answer ' m Tables ' l a Keypad Keyboard Shortcms Previous step answers Updated Control Ch art I] In Control 0 Out ofControl X 3.09 3.06 - UCL 3.03 Sample Mean 3.00 --Center 2.97 - LOL 2.94 - 2.91 + CO- 12 16 Sample NumberPeriod obs1 obs2 0bs3 0654 obs5 0656 Sample Mean Sample Range 2.99 2.96 2.96 3.00 2.96 3.04 2.9850 0.08 3.01 3.03 2.96 2.95 2.96 3.03 2.9900 0.08 3 2.98 3.05 3.02 3.05 2.96 2.99 3.0083 0.09 4 3.01 3.04 2.97 3.00 2.98 2.99 2.9983 0.07 5 2.98 3.03 2.97 2.97 3.04 2.96 2.9917 0.08 6 3.01 2.99 3.00 2.96 3.02 2.98 2.9933 0.06 7 2.97 3.00 2.99 3.02 2.95 3.04 2.9950 0.09 8 2.98 3.00 2.97 2.99 2.95 3.04 2.9883 0.09 2.98 3.02 2.99 3.02 3.00 2.95 2.9933 0.07 10 3.01 2.99 3.05 3.04 3.03 2.97 3.0150 0.08 11 2.96 2.99 3.00 2.99 3.03 3.03 3.0000 0.07 12 3.03 3.02 2.99 3.04 3.04 3.01 3.0217 0.05 13 3.03 3.00 3.02 3.03 3.00 3.04 3.0200 0.04 14 2.99 2.95 2.98 2.97 2.99 2.97 2.9750 0.04 15 3.02 2.96 3.00 3.03 3.01 3.01 3.0050 0.07