Wind Tunnel Velocity

1
Random Error
2
Wind Tunnel Velocity

• Pressure difference fluctuates due to random
  turbulent flow effects
• What is the best and most representative choice
  for the pressure difference?
• What level of confidence can we have in that
  choice?

3
Statistical Analysis

• For a normally distributed random variable, the
  most probable value of the variable is the
  arithmetic meanor average value
• The scatter of the values about the average value
  is characterized by the variance and standard
  deviation

4
Probability Density
5
Normally Distributed Error