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Results in statistical and business statements

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A Six Sigma team is testing pilot test results to see if they have made a ststistically significant improvement.They need to test this hypothesis statistically and determine the 95% Confidence Interval for the improvement.Data from the baseline and pilot test are reported in the table below:

Defects

Good

Sample

Defect rate

Baseline

6290

613710

620000

0.01015

PILOT TEST

466

48534

49000

0.00951

  • State the hypothesis.
  • Test the hypothesis and state the results in statistical and business statements.
  • State the 95% confidence interval for the baseline process defect rate in %.

Reference no: EM131157462

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