Lean Six Sigma Green Belt (GMC-LSS-GB)

Exercise:

Exercise objective:  To practice solving a problem presented using the appropriate Hypothesis Test. 

  • A mining company is falling behind profit targets.  The mine manager wants to determine if his mine is achieving the target production of 2.1 tons/day with some limited data to analyze.  The mine manager asks the Black Belt to determine if the mine is achieving 2.1 tons/day and the Black Belt says she will answer with 95% confidence. 
  • Analyze the problem using the Hypothesis Testing roadmap.
  • Use the column Tons hauled within the Minitab worksheet “Hypoteststud.mtw.
  • Does the Median equal the target value?