The accompanying observations on stabilized viscosity (cP)
Chapter 1, Problem 46E(choose chapter or problem)
Problem 46E
The accompanying observations on stabilized viscosity (cP) for specimens of a certain grade of asphalt with 18% rubber added are from the article “Viscosity Characteristics of Rubber-Modified Asphalts” (J. of Materials in Civil Engr., 1996: 153–156):
a. What are the values of the sample mean and sample median?
b. Calculate the sample variance using the computational formula. [Hint: First subtract a convenient number from each observation.]
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