Question: Research Question: To what extent does ERAU's new composite material improve the load-bearing capacity of aircraft wings, i.e., greater load capacity (if any)? H A

  • Research Question: To what extent does ERAU's new composite material improve the load-bearing capacity of aircraft wings, i.e., greater load capacity (if any)?
  • HA:Allaircraft wings constructed with the new composite material (Population 2)willhave a greater load-bearing capacity (improvement) thanallaircraft wings that are not constructed with the new material.
  • H0:Allaircraft wings constructed with the new composite material (population 2) willnothave a greater load-bearing capacity (improvement) thanallaircraft wings that are not constructed with the new material.
  • Population 1 characteristics: Sample data without new wing composite material: Random Sample Size,n= 50, Sample Mean, x-bar = 61 lbs/sq in, Sample Standard Deviation,s= 4 lbs/sq. in
  • Population 2 characteristics: Sample data with new wing composite material: Random Sample Size,n= 40, Sample Mean, x-bar = 64 lb/sq. in., Sample Standard Deviation,s= 3 lbs/sq. in.
  • Assume that the significant level,= 0.05
  • What is thep-value? Answer the research question in plain language. What is the effect size, i.e., "large", "medium", or "small"?

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