Term
| To view a historical set of data in SPC software you must first ____________. |
|
Definition
A. run a query
B. specify the type of graph
C. enable a set
D. create a new product file |
|
|
Term
| A bell-shaped curve that results from a large group of measurements is the basic concept of __________. |
|
Definition
A. central tendency
B. standard deviation
C. mean
D. controlled variation |
|
|
Term
| Before statistical quality control, production quality was maintained by performing ____________of the product and rejecting any bad parts. |
|
Definition
A. a 100°/° inspection
B. statistical analysis
C. inspections
D. A and B |
|
|
Term
| Predicting the percentage of parts that will fall within certain measurements if the data is distributed normally is done by calculating the ____________. |
|
Definition
A. range
B. mean
C. standard deviation
D. cell width |
|
|
Term
| Which of the following steps is not one of the six steps used to manually construct a histogram? |
|
Definition
A. count the frequency of each cell.
B. determine the number of cells.
C. prepare the histogram
D. configure the traceability option. |
|
|
Term
| Which of the following steps is not one of the six steps used to create a histogram using SPC software? |
|
Definition
A. create a product file
B. determine the number of cells
C. open and enable a set for data collection
D. collect data |
|
|
Term
| No two parts produced by a manufacturing process are exactly alike. They may vary in _______________. |
|
Definition
A. size
B. Weight
C. color
D. all of the above |
|
|
Term
| A __________ is a graphic method that uses statistics to show how the data is distributed across the range of values. |
|
Definition
A. pareto diagram
B. histogram
C. seatler diagram
D. flow chart |
|
|
Term
| If the histogram of a process is not bell-shaped, then the process is________. |
|
Definition
A. not centered
B. not stable
C. normal
D. none of the above |
|
|
