The sample size for a product quality audit should be
A. Based on ANSI/ASQ Z1.4.
B. Based on the lot size.
C. A stated percentage of production.
D. A very small quantity of product.
Which of the following parties, traditionally initiates an audit?
A. The client.
B. The plant manager.
C. The lead auditor.
D. The auditee.
Failure mode, effect, and criticality analysis, (FMECA) is primarily for the purpose of
A. Learning as much about the item as possible after qualification test.
B. Determining the way an item will most likely fail to help obtain design and procedural safeguardsagainst such failures.
C. Determining, by extensive analysis, the reliability of an item.
D. Determining the cause of a failure, by dissecting the item, to help obtain corrective action.
Which of the following statements BEST describes a bimodal distribution?
A. This distribution shows stratified data and two distinct peaks.
B. This distribution shows a single mode and bell shaped distribution.
C. This distribution is truncated.
D. This distribution has several distribution peaks.
Which of the following is NOT a statistical level of measurement?
A. Ordinal.
B. Nominal.
C. Numerical.
D. Ratio.
Which of the following distributions have the set of all real numbers as their domain?
A. Lognormal
B. Exponential
C. Weibull
D. None of the above.
Compute the upper control limit for an s chart, based on a sample size of 10, if the process is in control with a mean of 40 and a sample standard deviation of 7.
A. 11.7
B. 13.3
C. 15.7
D. 21
Which table should be used to determine a confidence interval on the mean when standard deviation is NOT known and the sample size is 10?
A. z
B. t
C. F
D. Chi-Square
A two-way analysis of variance has r levels for one variable and c levels for the second variable with 2 observations per cell. The degree of freedom for interaction is
A. 2(r)(c)
B. (r-1)(c-1)
C. rc-1
D. 2(r-1)(c-1)
In nonparametric statistics:
. No assumptions are made concerning the distribution from which the samples are taken. . The parameters of the distribution do not relate to the parameters of the sample. . The sample and the distribution must have no parameters in common.
A. I only
B. IIonly
C. IIIonly
D. IIandIIIonly
