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Lean Six Sigma Assignment 4 Latest Update Actual Exam Questions and 100% Verified Correct Answers Guaranteed A+ Verified by Professor$20.99
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Lean Six Sigma Assignment 4 Latest Update
2024-2025 Actual Exam Questions and 100%
Verified Correct Answers Guaranteed A+ Verified
by Professor
200 sheets of paper from a printing press were inspected for smeared ink. Of the 200
sheets of paper, 17 sheets contained smeared ink. Assuming a 99% two-sided
confidence interval, what is the confidence interval of the proportion smeared? -
CORRECT ANSWER: I HAVE NO IDEA. My guess is: (0.034, 0.136) this is correct
A graphical display of the total percentage of results below a certain measurement value
is called a - CORRECT ANSWER: Cumulative distribution function
A hypothesis test calculated a p-value = 0.0735. Assuming α = 0.05, what conclusion
should be made? - CORRECT ANSWER: The p is high, the null will fly. Fail-To-Reject
H0
A Six Sigma Green Belt needs to develop a sampling plan to determine if the weight of
dog food in 1000 bags has shifted by more than +/- 0.1 pound, assuming α = 0.05.
Historically, the mean weight was 20.3 pounds with a standard deviation 0.31 pounds.
What is the ratio of n / N? Does the Green Belt need to adjust for finite sample size?
How many bags should the Green Belt specify to be measured? - CORRECT ANSWER:
n/N < 0.05; assume infinite number of samples; n = 37 bags
NOT n/N < 0.05; assume infinite number of samples; n = 36 bags
A Six Sigma Green Belt needs to develop a sampling plan to determine if the weight of
dog food in 40 bags has shifted by more than +/- 0.1 pound, assuming α = 0.05.
Historically, the mean weight was 20.3 pounds with a standard deviation 0.31 pounds.
What is the ratio of n / N? Does the Green Belt need to adjust for finite sample size?
How many bags should the Green Belt specify to be measured? - CORRECT ANSWER:
n/N > 0.05; finite number of samples; nfinite = 20 bags
, NOT n/N > 0.05; finite number of samples; nfinite = 29 bags
An analyst is willing to accept a two-sided α-risk of 10% to calculate the confidence
interval of the mean. What is the appropriate z-value to use in calculations? -
CORRECT ANSWER: 1.645
NOT 1.28 (find 10% on the z table and see what z values goes with it)
An engineer measured the oven temperature while curing 50 fiber-reinforced prepregs.
The engineer calculated a mean oven temperature of 112.3 °C and a standard deviation
of 2.43 °C. What is the two-sided 95% ? - CORRECT ANSWER: (111.6C, 113.0C)
As a new green belt in the company you receive the following information: = 4.241 mm,
= 0.565 mm, and n = 5. You decide to estimate the process parameters but discover
that the original data was lost and all you have are these 3 descriptive statistics. What is
the best estimate that can be made of the process parameters under the current
conditions: - CORRECT ANSWER: NOT mean = 4.241 sigma = 0.253
another possible answer is same mean and sigma is 1.263
NOT mean = 4.241 sigma = 0.565
Calculate the sample standard deviation for the following set of five sample
observations: 1.5, 1.2, 1.1, 1.0, & 1.6 - CORRECT ANSWER: None of the answers
listed
For the five data points 58.4, 53.7, 54.1, 51.9, and 52.3, the coefficient of variation is -
CORRECT ANSWER: 0.0478
For the normal probability distribution, the relationships among the median, mean, and
the mode are - CORRECT ANSWER: They are all equal to the same value
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