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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