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GAQM CLSSBB Exam
Certified Lean Six Sigma Black Belt (CLSSBB) (Page 4 )

Updated On: 26-Jan-2026
Page 4 of 53
PDF with 300 Questions

Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 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 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. For the sales accomplished above, what test would validate if they met their requirements?

  1. F Test
  2. Test for Equal Variance
  3. Chi Square Test
  4. One-Sample t-Test

Answer(s): D



Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 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 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. The statistical Degrees of Freedom for this example are?

  1. 1
  2. 29
  3. 30
  4. 31
  5. 2

Answer(s): B



Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 22 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 18.2 pots per day were sold with a Standard Deviation of 0.9 pots. What is the Z value for this sales process?

  1. 1.23
  2. 1.62
  3. 2.11
  4. 4.22

Answer(s): D



The relationship between a response variable and one or more independent variables is investigated and modeled by use of which of these?

  1. X-Y Matrix
  2. Baldridge Assessment
  3. Critical X's Definition
  4. Analysis of Variance (ANOVA)

Answer(s): D



It would be more likely than not for a Belt conducting a Regression Analysis to find that the
_________________.

  1. r2 value is smaller than the absolute value of r
  2. Correlation Coefficient equals r2
  3. Coefficient of Determination is less than r2
  4. Correlation Coefficient equals r divided by 2

Answer(s): A



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