Hour Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 Sample 6 Sample 7 Sample 8 1 98.2706 98.82376 101.8175 100.1819 102.9594 101.165 95.25957 98.97423 2 100.7166 101.8866 98.56813 98.77126 101.8273 98.20298 101.6975 99.63706 3 98.9922 101.9845 103.7859 97.94211 100.9618 102.5191 97.33631 101.6476 4 103.2479 97.55057 105.5942 99.39358 99.57922 95.39694 96.26237 102.5666 5 100.403 99.99954 100.1254 100.21 93.46717 103.2011 100.1247 101.0385 6 97.26687 101.0598 96.30829 100.2402 98.07447 97.92167 102.4083 104.0686 7 101.2243 98.17466 99.66765 101.106 100.2891 99.37136 99.33442 95.24574 8 99.77304 95.70568 99.5615 99.89883 100.3117 104.133 100.4445 96.28674 9 98.51186 99.89239 101.3762 99.76019 101.5632 97.32041 99.62125 101.4166 10 97.40904 97.85005 101.42 103.6548 96.49857 101.3962 103.8805 98.63672 The data in the worksheet labeled “Problem...

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Statistics

HourSample 1Sample 2Sample 3Sample 4Sample 5Sample 6Sample 7Sample 8
198.270698.82376101.8175100.1819102.9594101.16595.2595798.97423
2100.7166101.886698.5681398.77126101.827398.20298101.697599.63706
398.9922101.9845103.785997.94211100.9618102.519197.33631101.6476
4103.247997.55057105.594299.3935899.5792295.3969496.26237102.5666
5100.40399.99954100.1254100.2193.46717103.2011100.1247101.0385
697.26687101.059896.30829100.240298.0744797.92167102.4083104.0686
7101.224398.1746699.66765101.106100.289199.3713699.3344295.24574
899.7730495.7056899.561599.89883100.3117104.133100.444596.28674
998.5118699.89239101.376299.76019101.563297.3204199.62125101.4166
1097.4090497.85005101.42103.654896.49857101.3962103.880598.63672


The data in the worksheet labeled “Problem 5&6” in the file“Test 3 Data” provides samples of size 8, collected each hour, fora particular process.

a. Construct an X-bar chart for this process.

b. Does the process appear to be in control? Why or why not?

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