On the far left and far right, dot plots of each level of a nominal variable are plotted side by side, a situ-
ation leading to one-way
ANOVAs. In the middle plot, JMP Student Edition produces a scatterplot of
two continuous variables, a situation leading to fitting lines and curves.
Computing a t-test
As a simple example, examine the plot on the far right, relating starch content to whether the fabric was
sand blasted or not. Is the starch content different for the two levels of
Sand Blasted? This is a typical
situation examined with a two-sample t-test. To conduct the ...
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