Tests of μ, Standard Deviation Estimated (4 of 4)


Summary of Computations
  1. Specify the null hypothesis and an alternative hypothesis.

  2. Compute M = Σ X/N.

  3. Compute

  4. Compute .

  5. Compute where μ is the hypothesized value of the population mean.

  6. Compute df = N -1.

  7. Use a t table to compute p from t and df.


  1. Normal distribution

  2. Scores are independent
See also: "Confidence interval for mean, σ estimated"