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A normal population has the known mean 50 and unknown variance.

a) A random sample of n =16 is selected from this population, and sample results are = 52 and s=8. How strange are these results? Discuss.

b) A random sample of n =30 is selected from this population, and sample results are = 52 and s = 8. How strange are these results? Give details

c) A random sample of n=100 is selected from this population, and the sample results are = 52 and s = 8. How unusual are these results? Explain.

d) Compare your answers to parts (a)-(c) and explain why they are the same or differ.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M91120137

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