During construction of the surface layer of asphalt


during construction of the surface layer of asphalt pavement, two samples where taken everyday to measure the asphalt content in the mix to ensure that it is within the specification limits. the target value was set at 5.5 percent with a tolerance of -+ 0.4 percent. the following asphalt content data were collected:

a) calculate the mean, standard deviation, and the coefficient of the variation of the data.

b)using a spreadsheet program, create a control chart for these data showing the target value and the upper and lower specification limits. comment on any trend and possible reasons.

Request for Solution File

Ask an Expert for Answer!!
Civil Engineering: During construction of the surface layer of asphalt
Reference No:- TGS0653912

Expected delivery within 24 Hours