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..4b045b96c64e 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
@@ -21,9 +21,10 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
-var ceil = require( '@stdlib/math/base/special/ceil' );
+var uniform = require( '@stdlib/random/array/uniform' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var cdf = require( './../lib' );
 
@@ -31,16 +32,21 @@ var cdf = require( './../lib' );
 // MAIN //
 
 bench( pkg, function benchmark( b ) {
+	var opts;
 	var n;
 	var x;
 	var y;
 	var i;
 
+	opts = {
+		'dtype': 'float64'
+	};
+	x = uniform( 100, 0.0, 20.0, opts );
+	n = discreteUniform( 100, 1, 20, opts );
+
 	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%x.length ], n[ i%n.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -53,7 +59,7 @@ bench( pkg, function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+':factory', function benchmark( b ) {
+bench( format( '%s::factory', pkg ), function benchmark( b ) {
 	var mycdf;
 	var n;
 	var x;
@@ -63,10 +69,13 @@ bench( pkg+':factory', function benchmark( b ) {
 	n = 20;
 	mycdf = cdf.factory( n );
 
+	x = uniform( 100, 0.0, 20.0, {
+		'dtype': 'float64'
+	});
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = randu() * 20.0;
-		y = mycdf( x );
+		y = mycdf( x[ i%x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/signrank/pdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/signrank/pdf/benchmark/benchmark.js
index d1ba8ac9fd6d..586e75842557 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/signrank/pdf/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/signrank/pdf/benchmark/benchmark.js
@@ -24,6 +24,7 @@ var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
 var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var pdf = require( './../lib' );
 
@@ -31,19 +32,21 @@ var pdf = require( './../lib' );
 // MAIN //
 
 bench( pkg, function benchmark( b ) {
-	var len;
+	var opts;
 	var n;
 	var x;
 	var y;
 	var i;
 
-	len = 100;
-	x = uniform( len, 0.0, 30.0 );
-	n = discreteUniform( len, 1, 30 );
+	opts = {
+		'dtype': 'float64'
+	};
+	x = uniform( 100, 0.0, 30.0, opts );
+	n = discreteUniform( 100, 1, 30, opts );
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		y = pdf( x[ i % len ], n[ i % len ] );
+		y = pdf( x[ i % x.length ], n[ i % n.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -56,7 +59,7 @@ bench( pkg, function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+':factory', function benchmark( b ) {
+bench( format( '%s::factory', pkg ), function benchmark( b ) {
 	var mypdf;
 	var n;
 	var x;
@@ -65,11 +68,13 @@ bench( pkg+':factory', function benchmark( b ) {
 
 	n = 20;
 	mypdf = pdf.factory( n );
-	x = uniform( 100, -2.0, 2.0 );
+	x = uniform( 100, -2.0, 2.0, {
+		'dtype': 'float64'
+	});
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		y = mypdf( x[ i % x.length] );
+		y = mypdf( x[ i % x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/signrank/pdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/signrank/pdf/benchmark/benchmark.native.js
index a09f10ae596e..14ccdf896dd7 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/signrank/pdf/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/signrank/pdf/benchmark/benchmark.native.js
@@ -25,6 +25,7 @@ var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
 var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var format = require( '@stdlib/string/format' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
 
@@ -39,20 +40,22 @@ var opts = {
 
 // MAIN //
 
-bench( pkg+'::native', opts, function benchmark( b ) {
-	var len;
+bench( format( '%s::native', pkg ), opts, function benchmark( b ) {
+	var opts;
 	var n;
 	var x;
 	var y;
 	var i;
 
-	len = 100;
-	x = uniform( len, 0.0, 30.0 );
-	n = discreteUniform( len, 1, 30 );
+	opts = {
+		'dtype': 'float64'
+	};
+	x = uniform( 100, 0.0, 30.0, opts );
+	n = discreteUniform( 100, 1, 30, opts );
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		y = pdf( x[ i % len ], n[ i % len ] );
+		y = pdf( x[ i % x.length ], n[ i % n.length ] );
 		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..846dde915e67 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
@@ -21,9 +21,10 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
-var randint = require( '@stdlib/random/base/discrete-uniform' );
+var uniform = require( '@stdlib/random/array/uniform' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var quantile = require( './../lib' );
 
@@ -31,16 +32,21 @@ var quantile = require( './../lib' );
 // MAIN //
 
 bench( pkg, function benchmark( b ) {
+	var opts;
 	var n;
 	var p;
 	var y;
 	var i;
 
+	opts = {
+		'dtype': 'float64'
+	};
+	p = uniform( 100, 0.0, 1.0, opts );
+	n = discreteUniform( 100, 1, 200, opts );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		p = randu();
-		n = randint( 1, 200 );
-		y = quantile( p, n );
+		y = quantile( p[ i%p.length ], n[ i%n.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -53,7 +59,7 @@ bench( pkg, function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+':factory', function benchmark( b ) {
+bench( format( '%s::factory', pkg ), function benchmark( b ) {
 	var myquantile;
 	var n;
 	var p;
@@ -63,10 +69,13 @@ bench( pkg+':factory', function benchmark( b ) {
 	n = 8;
 	myquantile = quantile.factory( n );
 
+	p = uniform( 100, 0.0, 1.0, {
+		'dtype': 'float64'
+	});
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		p = randu();
-		y = myquantile( p );
+		y = myquantile( p[ i%p.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}