diff --git a/lib/node_modules/@stdlib/stats/base/dists/signrank/cdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/signrank/cdf/benchmark/benchmark.js
index 16f764a8f1ae..0c9e4b19ec97 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/signrank/cdf/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/signrank/cdf/benchmark/benchmark.js
@@ -21,8 +21,9 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
-var ceil = require( '@stdlib/math/base/special/ceil' );
+var Float64Array = require( '@stdlib/array/float64' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var cdf = require( './../lib' );
@@ -31,16 +32,23 @@ var cdf = require( './../lib' );
 // MAIN //
 
 bench( pkg, function benchmark( b ) {
+	var len;
 	var n;
 	var x;
 	var y;
 	var i;
 
+	len = 100;
+	x = new Float64Array( len );
+	n = new Float64Array( len );
+	for ( i = 0; i < len; i++ ) {
+		x[ i ] = uniform( 0.0, 20.0 );
+		n[ i ] = discreteUniform( 1, 20 );
+	}
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = randu() * 20.0;
-		n = ceil( randu()*20.0 );
-		y = cdf( x, n );
+		y = cdf( x[ i % len ], n[ i % len ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -55,18 +63,23 @@ bench( pkg, function benchmark( b ) {
 
 bench( pkg+':factory', function benchmark( b ) {
 	var mycdf;
+	var len;
 	var n;
 	var x;
 	var y;
 	var i;
 
 	n = 20;
+	len = 100;
 	mycdf = cdf.factory( n );
+	x = new Float64Array( len );
+	for ( i = 0; i < len; i++ ) {
+		x[ i ] = uniform( 0.0, 20.0 );
+	}
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = randu() * 20.0;
-		y = mycdf( x );
+		y = mycdf( x[ i % len ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/signrank/quantile/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/signrank/quantile/benchmark/benchmark.js
index 4203815cf574..f17b89babd8e 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/signrank/quantile/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/signrank/quantile/benchmark/benchmark.js
@@ -21,8 +21,9 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
-var randint = require( '@stdlib/random/base/discrete-uniform' );
+var Float64Array = require( '@stdlib/array/float64' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var quantile = require( './../lib' );
@@ -31,16 +32,23 @@ var quantile = require( './../lib' );
 // MAIN //
 
 bench( pkg, function benchmark( b ) {
+	var len;
 	var n;
 	var p;
 	var y;
 	var i;
 
+	len = 100;
+	p = new Float64Array( len );
+	n = new Float64Array( len );
+	for ( i = 0; i < len; i++ ) {
+		p[ i ] = uniform( 0.0, 1.0 );
+		n[ i ] = discreteUniform( 1, 200 );
+	}
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		p = randu();
-		n = randint( 1, 200 );
-		y = quantile( p, n );
+		y = quantile( p[ i % len ], n[ i % len ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -55,18 +63,23 @@ bench( pkg, function benchmark( b ) {
 
 bench( pkg+':factory', function benchmark( b ) {
 	var myquantile;
+	var len;
 	var n;
 	var p;
 	var y;
 	var i;
 
 	n = 8;
+	len = 100;
+	p = new Float64Array( len );
 	myquantile = quantile.factory( n );
+	for ( i = 0; i < len; i++ ) {
+		p[ i ] = uniform( 0.0, 1.0 );
+	}
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		p = randu();
-		y = myquantile( p );
+		y = myquantile( p[ i % len ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}