diff --git a/lib/node_modules/@stdlib/stats/base/dists/cosine/mean/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/cosine/mean/test/test.js
index 0febb4989c6b..d565213fe467 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/cosine/mean/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/cosine/mean/test/test.js
@@ -57,9 +57,6 @@ tape( 'if provided a nonpositive `s`, the function returns `NaN`', function test
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/gumbel/mean/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/gumbel/mean/test/test.js
index 5e88c7e94e9e..62ef0f80a19c 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/gumbel/mean/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/gumbel/mean/test/test.js
@@ -59,9 +59,6 @@ tape( 'if provided a nonpositive `beta`, the function returns `NaN`', function t
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/gumbel/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/gumbel/mean/test/test.native.js
index 7f01dfe7b609..cf18173ae193 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/gumbel/mean/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/gumbel/mean/test/test.native.js
@@ -68,9 +68,6 @@ tape( 'if provided a nonpositive `beta`, the function returns `NaN`', opts, func
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/laplace/mean/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/laplace/mean/test/test.js
index 53351d77c706..75c8fae1687d 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/laplace/mean/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/laplace/mean/test/test.js
@@ -57,9 +57,6 @@ tape( 'if provided a nonpositive `b`, the function returns `NaN`', function test
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/laplace/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/laplace/mean/test/test.native.js
index 23e72d0c78f1..27732941ed3e 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/laplace/mean/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/laplace/mean/test/test.native.js
@@ -68,9 +68,6 @@ tape( 'if provided a nonpositive `b`, the function returns `NaN`', opts, functio
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/levy/mean/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/levy/mean/test/test.js
index 68914004c543..16e1fdae95b4 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/levy/mean/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/levy/mean/test/test.js
@@ -53,9 +53,6 @@ tape( 'if provided a nonpositive `c`, the function returns `NaN`', function test
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/levy/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/levy/mean/test/test.native.js
index 53c7e7c0759d..35a703d78ed1 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/levy/mean/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/levy/mean/test/test.native.js
@@ -62,9 +62,6 @@ tape( 'if provided a nonpositive `c`, the function returns `NaN`', opts, functio
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/logistic/mean/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/logistic/mean/test/test.js
index 1e36744ee281..024b57ac5028 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/logistic/mean/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/logistic/mean/test/test.js
@@ -59,9 +59,6 @@ tape( 'if provided a nonpositive `s`, the function returns `NaN`', function test
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/lognormal/mean/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/lognormal/mean/test/test.js
index 4ea573a592a6..55f3f86c4148 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/lognormal/mean/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/lognormal/mean/test/test.js
@@ -59,9 +59,6 @@ tape( 'if provided a nonpositive `sigma`, the function returns `NaN`', function
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/lognormal/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/lognormal/mean/test/test.native.js
index e78c49b73c58..026bbeebe21b 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/lognormal/mean/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/lognormal/mean/test/test.native.js
@@ -68,9 +68,6 @@ tape( 'if provided a nonpositive `sigma`, the function returns `NaN`', opts, fun
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/test/test.js
index c78b7ef1e1a7..2091e9fb9aaf 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/test/test.js
@@ -59,9 +59,6 @@ tape( 'if provided a nonpositive `sigma`, the function returns `NaN`', function
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/test/test.native.js
index c79d15bf715f..8726fb81d1c6 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/test/test.native.js
@@ -68,9 +68,6 @@ tape( 'if provided a nonpositive `sigma`, the function returns `NaN`', opts, fun
 	y = mean( 2.0, -1.0 );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 
-	y = mean( 2.0, -1.0 );
-	t.strictEqual( isnan( y ), true, 'returns expected value' );
-
 	y = mean( 1.0, NINF );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );