Six Sigma Lean Black Belt LSSBB Exam Questions in PDF

Free Six Sigma LSSBB Dumps Questions (page: 8)

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

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

Answer(s): D



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

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

Answer(s): D,E



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. 1.11
  2. 2.22
  3. 4.30
  4. 5.42

Answer(s): B



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?

  1. $6
  2. $12
  3. $24
  4. $48

Answer(s): C



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?

  1. 0.67
  2. 1.13
  3. 1.33
  4. 2.66

Answer(s): C



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