Normal-scores plot. Use a computer program to make a normal-scores plot for the volume of timber data in Table 4. (Courtesy of Professor Alan Ek) Comment on the departure from normality displayed by the normal-scores plot.
TABLE 4
Volume of timber in cords

We illustrate a normal-scores plot using MINITAB. With the data set in column 1, the MINITAB commands

will create a normal-scores plot for the observations in CI. (MINITAB uses a variant of the normal scores, m1, that we defined.)

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519294037 677353243 9377339720 7881660 121 3083281434 6064544383 112 41 8312630369 4876689078 1-2 3507454707 9362739918 Calc Calculator. Type C2 in Store. Type NSCOR(CI) in Expression. Click OK Graph Scatterplot. Select Simple. Type Cl under Y variables and C2 under X variables. Click OK