The data given in worksheet in the “ Data” provides the percent of filler conten

Question

The data given in worksheet in the “ Data” provides the percent of filler content (goal is 80%) of a sample of five products from every hour of production.

Construct an x-bar chart (from r-bar) and determine if the process is in control.

Construct an R chart and determine if the process is in control.

81.00723 77.03878 81.85476 80.27623 81.23954 79.54581 80.60283 79.34569 82.92094 80.22074 80.82137 79.91315 80.24533 79.536 80.23379 79.29158 80.82779 79.54811 79.60216 80.08431 79.70844 81.49417 78.93753 81.82998 80.6328 79.91069 78.44053 80.80405 79.41471 80.35606 80.43723 80.92447 79.8458 78.89374 80.92117 80.45816 80.05822 81.67864 79.26124 80.6647 79.88834 80.48395 79.37382 79.13302 79.67993 78.98997 79.60508 80.10278 79.44508 80.99117 79.39251 80.75748 78.83079 78.13403 79.02514 79.75347 79.74277 80.99551 79.30465 80.89872 81.0686 79.39373 79.07347 81.74935 80.66001 83.06247 79.6861 79.64866 80.0078 78.95507 78.87021 80.60881 80.63461 80.04691 82.2561 78.44555 80.19987 79.26999 80.07874 81.901 80.34999 80.36991 80.3093 79.55362 78.17107 78.78812 79.07327 80.94504 80.24552 79.70863 81.38124 79.62537 79.41536 81.58749 79.65933 78.14163 80.26264 81.93059 79.81587 80.43696 79.26902 79.26234 78.70634 79.37205 80.19153 80.90007 81.06959 80.65747 79.03542 81.49782 80.29836 81.16623 78.07575 79.06095 79.99587 80.73734 79.90808 79.39514 79.88385 80.3094 78.50421 82.09064 80.66322 78.33674 78.75697 78.71651 79.80031 78.48098 81.70523 80.77155 79.11175 81.56421 77.46743 79.3084 80.25007 79.69441 79.918 79.40455 79.37944 79.14391 80.88553 79.13499 80.29434 81.6707 79.54132 79.19156 79.46006 80.68171 80.16727 79.50641 80.29816 80.19583 79.04855 81.48714 79.49065 79.5572 79.66271 80.8422 79.80535 79.72268 79.54911 79.45037 80.20636 80.8625 81.70578 79.18462 79.89887 79.39126 78.0959 80.41516 80.29519 81.43194 79.74782 80.71062 80.95125 81.23733 79.71549 80.01253 78.82301 79.78858 80.94872 78.9642 79.71216 80.48625 80.25118 79.60191 79.02063 80.79916 81.2396 79.94562 80.2591 81.01766 81.41501 80.32611 79.29066 80.8232 81.95024 80.07498 80.33086 80.0039 79.10968 79.35423 79.99268 80.82475 80.49881 79.48927 78.93264 80.76624 80.41523 79.93103 80.65756 79.31229 80.73396 78.63179 81.56784 79.94778 79.35439 80.91014 80.20014 79.63002 81.02985 79.26187 79.24967 78.11515 78.39871 78.25166 79.26432 80.67908 80.22933 79.63962 80.78151 78.91219 81.13191 80.71656 79.93768 81.35845 81.32226 80.27676 79.66755 80.0028 81.06982 78.99237 79.00789 80.00373 78.12466 78.67644 81.52782 79.71197 80.89642 82.04126 81.21982 80.06273 79.35468 79.8576 80.30357 80.04308 79.24983 81.57101 80.6022 80.70667 79.89241 78.99719 80.51841 80.95257 79.68919 79.14175 80.65255 80.61607 80.23828 81.22249 78.03701 79.28205 79.85702 80.80594 79.2607 80.05133 80.1529 79.1703 79.72529 80.26472 78.72332 80.51378 79.4236 81.93146 79.23825 79.22138 79.24969 80.35647 78.80612 81.00445 80.04101 79.11309 81.6158 80.04591 79.97285 79.47744 80.96819 78.35714 80.15336 79.72683 79.2816 81.72757 79.5271 78.81648 79.61297 80.04125 79.32648 81.4066 79.62362 81.49577 80.20438 79.96788 79.35196 79.38986 80.24523 79.46773 78.55383 81.53166 79.9135 79.21056 79.16538 78.85367 80.31548 80.14363 80.14485 81.89228 80.68655 78.82176 80.81271 81.11759 78.90531 78.54013 79.32425 78.34177 78.42449 79.96116 81.86363 81.10152 80.36966 80.1499 79.62182 80.89876 79.1011 79.61204 80.217 78.91541 80.05567 81.31731 79.67983 80.52275 81.62315 81.73204 81.22439 79.78078 81.16304 79.64757 79.95443 77.3144 79.85235 80.12112

Explanation / Answer

The data given in worksheet in the “ Data” provides the percent of filler conten

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