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lazarus-ccr/applications/lazstats/tests/mean_var_stdev_test/BasicStats_test.lpr

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program BasicStats_test;
uses
MatrixUnit;
var
v: TDblVector;
mu, variance, sig: Double;
begin
SetLength(v, 5);
v[0] := 1.2;
v[1] := -4.3;
v[2] := 5.9;
v[3] := -9.6;
v[4] := 5.3;
VecMeanVarStdDev(v, mu, variance, sig);
WriteLn('Mean: ', mu:10:3);
WriteLn('Variance: ', variance:10:3);
WriteLn('Std.Dev.: ', sig:10:3);
ReadLn;
end.