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QUESTION: 36

When a Belt properly analyzes the results of an experiment he must examine the Residuals in expectation of finding all of the following except .

Some Residuals higher than others
Some Residuals lower than others
All Residuals within 2 Standard Deviations of the Mean
Residuals will represent a Linear Regression

Answer(s): D

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QUESTION: 37

Which statement(s) are correct about the Regression shown here? (Note: There are 2 correct answers).

The dependent variable is the outside temperature
The relationship between outside temperature and number of customers per hour is a Linear Regression
The dashed lines indicate with 95% confidence where all of the process data should fall between
The dashed lines indicate with 95% confidence the estimate for the Quadratic Regression Line
The predicted number of customers per hour is close to 5 if the outside temperature is 10 deg C

Answer(s): D,E

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A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt’s effort requiring that the average cost of an internal critical raw material component be less than or equal to $3,600 in order to stay within budget. Using a sample of 42 first article components, a Mean of the new product upgrade price of $3,200 and a Standard Deviation of $180 was estimated. Based on the data provided, the Z value for the data assuming a Normal Distribution is?

1.11
2.22
4.30
5.42

Answer(s): B

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QUESTION: 39

A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt’s effort requiring that the average cost of an internal critical raw material component be less than or equal to $3,800 in order to stay within budget. Using a sample of 38 first article components, a Mean of the new product upgrade price of $3,680, and a Standard Deviation of $120 was estimated. In order to increase the Long Term Z value to 5, what is the maximum long term variation in pricing the Belt can accept for his upgraded critical raw material component?

Answer(s): C

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QUESTION: 40

Sally and Sara sell flower pots at their garage sale. Martha motivates Rose mentioning that they will sell a minimum of 16 pots per day if the outside temperature exceeds 60o F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 15.2 pots per day were sold with a Standard Deviation of 0.6 pots. What is the Z value for this sales process?

0.67
1.13
1.33
2.66

Answer(s): C

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IASSC ICBB Certified Lean Six Sigma Black Belt ICBB Dumps in PDF

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QUESTION: 36

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QUESTION: 40