89 Construct a normal probability plot for the following sam

89. Construct a normal probability plot for the following sam- ple of observations on coating thickness for low-viscosity paint (“Achieving a Target Value for a Manufacturing Process: A Case Study,” J. of Quality Technology, 1992:22–26). Would you feel comfortable estimating population mean thickness using a method that assumed a normal population distribution?

.83, .88, .88, 1.04, 1.09, 1.12, 1.29, 1.31

1.48, 1.49, 1.59, 1.62, 1.65, 1.71, 1.76, 1.83

Solution