Reference no: EM13904447
A chocolate factory has weighed 4 chocolate truffles coming out of production over 5 working days to obtain the following data, weights are in grams.
Mon Tue Wed Thu Fri
10am 30.50 30.30 30.15 30.60 30.15
11am 29.75 31.00 29.50 32.00 30.25
2pm 29.90 30.20 29.75 30.10 30.50
3pm 30.25 30.50 30.00 30.00 29.70
a) Group the data by day into five samples and find the sample average and range for each sample.
b) Suppose the process has a mean of 30 and a standard deviation of 0.3. Construct the 3 - sigma control limits of the mean chart. Is the process mean under control? [Hint: you can just provide the limits and don’t need to draw a graph].
c) Construct the control limits of the range chart. Is the process range under control? [Hint: you can just provide the limits and don’t need to draw a graph]
d) Suppose the process has a standard deviation of 0.2. The factory quality assurance requires rework for chocolate truffles weighted less than 28.5 grams, or more than 31.5. What is the capability ratio of the current process?
Please give explanations
|
Distinguish in decentralization and centralization process
: Distinguish between the decentralization and centralization processes of organizational structure. Discuss which factors determine an organizations position on the decentralization-centralization continuum.
|
|
Behavioral and quantitative perspectives on management
: Summarize the classical, behavioral, and quantitative perspectives on management. Identify the most important factors in each perspective.
|
|
Effective in balancing power between employers-employees
: As you discovered in the readings, many employment laws focus on protecting individual rights. In this discussion, you will explore your perceptions of how well the laws work. Based on your readings and your work experiences, do you believe that the ..
|
|
Considered when scheduling training
: Identify and describe the various components that must be considered when scheduling training.
|
|
Construct the control limits of the range chart
: A chocolate factory has weighed 4 chocolate truffles coming out of production over 5 working days to obtain the following data, weights are in grams. Group the data by day into five samples and find the sample average and range for each sample. Const..
|
|
What is web-based customer service and why is it important
: What is Web-based customer service and why is it important? What is a company's "culture?" What are some key characteristics of the culture at Yum! Brands, Southwest Airlines, and Zappos?
|
|
Cost cooperatively through waiting cost savings
: The wheat harvesting season in the American Midwest is short, and most farmers deliver their truckloads of wheat to a giant central storage bin within a two-week span. Because of this, wheat-filled trucks waiting to unload and return to the fields ha..
|
|
All checkout lanes are parallel single-server systems
: Bullseye Stores, Inc. is a large retailer of household and grocery merchandise with 3900 stores in the United States and Canada. At one Bullseye store located in a major shopping complex in Charlotte there are 40 permanently-installed checkout lanes...
|
|
Line of patrons waiting to enter Rambo Squirrel attraction
: RatLand is a large family theme park located in central Texas. Over the years a visit to Ratland has been institutionalized as a prime “have to” experience for children growing up in America. On a busy summer day how long on average will be the line..
|