X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=examples%2Ft-test.sps;h=9064d2574bd8e675ae08eafedca4171a398ab42d;hb=refs%2Fheads%2Fctables7;hp=65ab067681e29edfb5d540b18702c0a350af1a22;hpb=52e144652645cab108fb2db0a970f1ace2cbf2ea;p=pspp diff --git a/examples/t-test.sps b/examples/t-test.sps index 65ab067681..9064d2574b 100644 --- a/examples/t-test.sps +++ b/examples/t-test.sps @@ -42,13 +42,13 @@ examine /plot=boxplot. * Do a Scatterplot to check if weight and height -* might be correlated. As both the weight and the +* might be correlated. As both the weight and the * height for males is higher than for females * the combination of male and female data is correlated. * Weigth increases with height. graph /scatterplot = height with weight. - + * Within the male and female groups there is no correlation between * weight and height. This becomes visible by marking male and female * datapoints with different colour. @@ -58,16 +58,16 @@ graph * The T-Test checks if male and female humans have * different weight, height, beauty and iq. See that Significance for the * weight and height variable tends to 0, while the Significance -* for iq should not go to 0. +* for iq should not go to 0. * Significance in T-Test means the probablity for the assumption that the * height (weight, beauty,iq) of the two groups (male,female) have the same * mean value. As the data for the iq values is generated as normal distribution * with the same mean value, the significance should not go down to 0. t-test groups=gender(0,1) - /variables=weight height beauty iq. + /variables=weight height beauty iq. * Run the Code several times to see the effect that different data -* is generated. Every run is like a new sample from the population. +* is generated. Every run is like a new sample from the population. * Change the number of samples (cases) by changing the * loop range to see the effect on significance!