The article "Measurement of Complex Permittivity of
Chapter 6, Problem 3E(choose chapter or problem)
The article “Measurement of Complex Permittivity of Asphalt Paving Materials” (J. Shang, J. Umana, et al., Journal of Transportation Engineering, 1999:347– 356) compared the dielectric constants between two types of asphalt, HL3 and HL8, commonly used in pavements. For 42 specimens of HL3 asphalt the average dielectric constant was 5.92 with a standard deviation of 0.15, and for 37 specimens of HL8 asphalt the average dielectric constant was 6.05 with a standard deviation of 0.16. Can you conclude that the mean dielectric constant differs between the two types of asphalt?
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