20) The Chair of the Quality Department at Motorola University wants to construc
ID: 445308 • Letter: 2
Question
20) The Chair of the Quality Department at Motorola University wants to construct a p-chart for determining whether the four faculty members teaching the course are in a state of control concerning the number of students who fail in the course. Accordingly, the Chair sampled 500 final grades from last year for each instructor, and computed the number of failures per instructor as 13, 11, 0, and 16 respectively. Compute the upper and lower standard control limits for this chart.
a) 0.9500 and 0.0500
b) 0.0600 and 0.1400
c) 0.0388 and 0.0012
24) In general, viable scientific exploration:
a) Is conducted to prove old truths are infallible
b) Is conducted to create a falsifiable model that is able to predict future outcomes
c) Relies on anecdotal evidence to support its claims
d) Is conducted to create models that are unable to predict future outcomes
28) Referring to the product-process matrix, if a company has a few major products with high demand and a jumbled flow (job shop) process, we know the company:
a) Has a company strategy
b) Is on the diagonal of the matrix
c) Is further in its process life cycle than its product life cycle
36) A company has been working a six-sigma program for several years, with a focus on improving yield on a key process. Prior to the program, the typical yields were averaging 70%. Presently, yields are consistently above 95%. This will allow the company to: I. Increase price for the product II. Reduce their process buffers III. Eliminate all special cause variation
b) I and II
c) III only
d) I only
e) II only
40) It is generally easier to make changes in: a) Your area of influence b) Your area of control c) To upstream areas
Explanation / Answer
20. c
Using the formula for LCL and UCL from pchart
24. b
a scientific hypothesis must be falsifiable
28. c
The aestrix mark shows the position.
36. b
As tehe quality has increased subsequently and errors have been reduced.
40. a
It is generally much easier to make chances in the area of incluence compared to upstreams or area of control.
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