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Diffstat (limited to '331/CH7/EX7.9/Example_7_9.sce')
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1 files changed, 16 insertions, 0 deletions
diff --git a/331/CH7/EX7.9/Example_7_9.sce b/331/CH7/EX7.9/Example_7_9.sce new file mode 100755 index 000000000..9eb589cb7 --- /dev/null +++ b/331/CH7/EX7.9/Example_7_9.sce @@ -0,0 +1,16 @@ +//Caption:F-distribution [Sampling Distributions of Variance]
+//Same Variance
+//Example7.9
+//Page211
+clear;
+clc;
+n1 = 21;//Size of the first sample
+n2 = 20;// Size of the second sample
+F = 3; //variance of the first sample 3 times more than variance of second sample
+Dfn = n1-1;
+Dfd = n2-1;
+[P,Q]=cdff("PQ",F,Dfn,Dfd)
+disp(Q,'The probability that the variance of the first sample > 3 times that of the second sample is =')
+//Result
+//The probability that the variance of the first sample > 3 times that of the second sample is =
+// 0.0100558
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