Question 1
1 out of 1 points
A process has a process average of 44.2 and a process standard deviation of 1.2. The quality
engineer wishes to establish a SPC chart to monitor the process taking periodic samples of
five units every two hours. What would be

Question 1
1 out of 1 points
In the following ANOVA what is the F-calculated for the Factor?
Selected Answer: 33.095
Question 2
1 out of 1 points
In the following ANOVA what is the SS for the Factor?
Selected Answer: 987.71
Question 3
1 out of 1 points

Question 1
1 out of 1 points
A test of hypothesis is conducted on two processes with a known variance of 2.4. Ten sample
units were taken from each process. The difference in the sample means was -1.85. The null
hypothesis was
and the alternative hypothe

Question 1
1 out of 1 points
Every experiment involves a sequence of activities:
Selected Answer:
Conjecture, Experiment, Analysis, and Conclusion
Answers:
Conjecture, Design of Experiment, Data Collection, and Analysis
Conjecture, Experiment, Analysis,

Question 1
1 out of 1 points
A chi-squared goodness of fit test can be used to test if observed results conform to a
Selected Answer:
All of the above distributions
Answers:
Discrete uniform distribution
Poisson distribution
Binomial distribution
Normal

Question 1
1 out of 1 points
A process has a sample mean of 62.6 based on a sample of 14 units and a sample standard
deviation of 4.2, what is the upper bound of the 95% confidence interval on the sample mean?
Selected Answer: 65.025
Correct Answer:
65.0

Question 1
1 out of 1 points
We want to establish a control chart on the number of defective units (np-chart) for a process
that has averaged 6.2 defective units in each sample of 100 units. Going forward what would
be the Upper Control Limit (one decima

Question 1
1 out of 1 points
A process has a mean of 20.0 and a standard deviation of 2.4.
The standard deviation of sample means of sample size 16 is:
Selected Answer: .6
Correct Answer:
0.6
Answer range +/- 0.01 (0.59 - 0.61)
Question 2
1 out of 1 poi

Question 1
1 out of 1 points
In a linear regression equation, with an
and
what is the predicted value of y when x=5.5
Selected Answer: 37.5
Correct Answer:
37.5
Answer range +/- 0.5 (37 - 38)
Question 2
1 out of 1 points
In a linear regression equation,

Question 1
1 out of 1 points
In a test of hypothesis where the null hypothesis is
and the alternative
hypothesis is
and sample size is 10 and the level of statistical significance is set
at 0.01 the rejection criteria would be t-calculated less than what