ASQ
CQE
Q1:
One-way analysis of variance is MOST similar in its objectives to
○
A
A test of a population mean.○
B
A test for equality of two sample proportions.○
C
A test for equality of two population means.○
D
A chi-square test for independence.
ASQ
CQE
Q2:
Given the data below is normally distributed, and the population standard deviation is 3.1, what is the 90% confidence interval for the mean?
22, 23, 19, 17, 29, 25
○
A
20.88 - 24.12○
B
20.42 - 24.59○
C
21.65 - 23.35○
D
17.4 - 27.6
ASQ
CQE
Q3:
As the scatter of points about a regression line becomes less, r2 will
○
A
Be unaffected.○
B
Become smaller.○
C
Become larger.○
D
Approach a value of 1.
ASQ
CQE
Q4:
An operation requires shipments from your vendor of small lots of fixed size. The attribute sampling plan used for receiving inspection should have its OC curve developed using
○
A
The binomial distribution.○
B
The Gaussian (normal) distribution.○
C
The Poisson distribution.○
D
The hypergeometric distribution.
ASQ
CQE
Q5:
The basic elements of an ultrasonic test system do NOT include which of the following?
○
A
A transducer.○
B
A test object.○
C
A laser beam.○
D
An electronic system.