Question: 1. A) Construct the appropriate control chart for the 11 observations, and determine if the process is in control using two sigma limits. No. of

1. A) Construct the appropriate control chart for the 11 observations, and determine if the process is in control using two sigma limits. No. of defects per unit for the observations are: 11, 4, 9, 1, 1, 1, 8, 6, 11, 3, 6.

a.3 observations out of control

b.4 observations out of control

c.Under control

d.2 observations out of control

1. B) A town's department of public works is concerned about adverse public reaction to a sewer project that is currently in progress. Because of this, the Commissioner of Public Works has authorized a weekly survey to be conducted of town residents. Each week, for a total of 10 weeks, a sample of 100 residents is questioned on their feelings towards the project. Number of responndets who opposed (each week, respectively): 4, 10, 9, 19, 10, 1, 10, 6, 24, 23.Analyze this data using an appropriate control chart (three sigma control limits). Is the community sentiment stable?

a.Stable

b.Unstable,2 observations out of control

c.Unstable,3 observations out of control

d.Unstable,1 observations out of control

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