BADM 375 Module 5-8 UPDATED ACTUAL Questions and CORRECT Answers
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Course
BADM 375
Institution
BADM 375
BADM 375 Module 5-8 UPDATED
ACTUAL Questions and CORRECT
Answers
Inventory is defined as the stock of any item or resource used in an organization. -
CORRECT ANSWER- true
Variation in production systems that is caused by factors that can be clearly identified and
possibly even managed is ca...
BADM 375 Module 5-8 UPDATED
ACTUAL Questions and CORRECT
Answers
Inventory is defined as the stock of any item or resource used in an organization. -
CORRECT ANSWER✔✔- true
Variation in production systems that is caused by factors that can be clearly identified and
possibly even managed is called assignable variation. - CORRECT ANSWER✔✔- True
Variation that is inherent in a production process itself is called assignable variation. -
CORRECT ANSWER✔✔- False
Process control is concerned with monitoring quality after the product or service has been
produced. - CORRECT ANSWER✔✔- False
Process control is concerned with monitoring quality while the product or service is being
produced.
A p-chart has upper and lower control limits expressed as lines on the chart. As long as the
sample values fall between these two lines, there is no need to investigate process behavior. -
CORRECT ANSWER✔✔- False
See Exhibit 13.5. This illustrates several situations where investigation of pro
cess behavior is necessary even though all points have fallen between the UCL and the LCL.
For example, a run of five above or below the central line calls for one to investigate for the
cause of sustained poor performance.
The value for "z" used in quality control charts is based on the degree of confidence you want
to have in the resulting UCL and LCL values. - CORRECT ANSWER✔✔- True
z = Number of standard deviations for a specific confidence level.
,To obtain a 99.7 percent confidence level in a p-chart, we would use a value of 3 for "z". -
CORRECT ANSWER✔✔- True
Typically, z = 3 (99.7 percent confidence).
Acceptance sampling is performed on goods that already exist to determine what percentage
of items conforms to specifications. - CORRECT ANSWER✔✔- True
Acceptance sampling is performed on goods that already exist to determine the percentage of
products that conform to specifications.
In acceptance sampling, the value for the acceptance number (c) is determined by the
interaction of the acceptable quality level (AQL), the lot tolerance percent defective (LTPD),
the probability of rejecting a high-quality lot (alpha), and the probability of accepting a low-
quality lot (beta). - CORRECT ANSWER✔✔- True
A single sampling plan is defined by n and c, where n is the number of units in the sample
and c is the acceptance number. Values for n and c are determined by the interaction of four
factors (AQL, alpha, LTPD, and beta) that quantify the objectives of the product's producer
and its consumer.
The probability associated with accepting a low-quality lot is denoted in acceptance sampling
with the Greek letter alpha. - CORRECT ANSWER✔✔- False
The probability associated with accepting a low-quality lot is denoted by the letter beta and is
termed the consumer's risk.
In variables sampling, the actual measurements of the variable observed are used regardless
of whether the unit is good or bad. - CORRECT ANSWER✔✔- True
In variables sampling, we measure the actual weight, volume, number of inches, or other
variable measurements, and we develop control charts to determine the acceptability or
rejection of the process based on those measurements.
You have just used the capability index (Cpk) formulas to compute the two values "min [1,
1]." Which of the following is the proper interpretation of these numbers? - CORRECT
ANSWER✔✔- The mean has not shifted at all.
, Because the process mean can shift in either direction, the direction of shift and its distance
from the design specification set the limit on the process capability. The direction of shift is
toward the smaller number.
You have just used the capability index (Cpk) formulas to compute the two values "min [1.5,
1]." Which of the following is the interpretation of these numbers? - CORRECT
ANSWER✔✔- The mean of the production process has shifted to the right of the design
limits.
Because the process mean can shift in either direction, the direction of shift and its distance
from the design specification set the limit on the process capability. The direction of shift is
toward the smaller number.
For which of the following should we use a p-chart to monitor process quality? - CORRECT
ANSWER✔✔- Grades in a freshman "pass/fail" course
In the case of the p-chart, the item was either good or bad. Also, (page 328) measurement by
attributes means taking samples and using a single decision—the item is good or it is bad.
Because it is a yes or no decision, we can use simple statistics to create a p-chart with an
upper control limit (UCL) and a lower control limit (LCL).
The capability index (Cpk) calculates the percentage of items being produced within
specifications. - CORRECT ANSWER✔✔- False
The capability index (Cpk) shows how well the parts being produced fit into the range
specified by the design limits.
You want to develop a three-sigma R-chart. You know the average range is 5 based on several
samples of size 10. Which of the following is the resulting UCL? - CORRECT
ANSWER✔✔- 8.9
From Equation 13.17, R-bar = 5, n = 10, D4 = 1.78. UCL = D4 x R-bar = 1.78 x 5 = 8.9.
You want to determine the control lines for a p-chart for quality control purposes. If the total
number of defects from all samples is 560, the number of samples is 70, and the sample size
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