Tutorvo

Comparing Two Methods: Paired t-Test with T.TEST

Lesson 8 of 816 minLab

This lesson is part of the course

In this lesson

You compare a field test kit with the lab method on ten shared samples: differences, the paired t statistic, the p-value with T.TEST and a conclusion, and you see why an unpaired test would miss the bias.

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Lessons in this course

  1. Replicates: Mean, Standard Deviation & %RSDLab14 min Locked
  2. Outliers: Grubbs' Test and Dixon's Q TestLab16 min Locked
  3. Calibration Curve: SLOPE, INTERCEPT, LINEST & R²Lab16 min Locked
  4. Unknowns from the Curve: Concentration & Its UncertaintyLab18 min Locked
  5. Limit of Detection & Quantitation: 3.3σ/S and 10σ/SLab16 min Locked
  6. Propagation of Uncertainty: Sum & Product RulesLab18 min Locked
  7. Control Charts: Levey-Jennings Limits & Westgard RulesLab18 min Locked
  8. Comparing Two Methods: Paired t-Test with T.TESTLab16 min Locked