A Brief Introduction to Biostatistics

(C. Jardin) #1

Test of significance: An example



  • Suppose: = 3.5kg, sd = 0.9kg,


pop = 3.0 kg pop = 1.8kg



  • Difference betw means = 3.53.0 = 0.5kg

  • Null Hypothesis, H0: NUH = pop

  • Test of significance makes use of the normal
    distribution properties of the sampling
    distribution of the mean


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