docs: fix examples

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---

Author: kgryte

lib/node_modules/@stdlib/stats/strided/dztest/README.md

@@ -71,14 +71,16 @@ The function has the following parameters:
 
 The `N` and stride parameters determine which elements in the strided array are accessed at runtime. For example, to perform a one-sample Z-test over every other element in `x`,
 
+<!-- eslint-disable max-len -->
+
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
 var Results = require( '@stdlib/stats/base/ztest/one-sample/results/float64' );
 
 var x = new Float64Array( [ 4.0, 0.0, 4.0, 0.0, 6.0, 0.0, 6.0, 0.0, 5.0, 0.0 ] );
 
 var results = new Results();
-var out = dztest( x.length, 'two-sided', 0.05, 0.0, 1.0, x, 2, results );
+var out = dztest( 5, 'two-sided', 0.05, 0.0, 1.0, x, 2, results );
 // returns {...}
 
 var bool = ( out === results );
@@ -97,7 +99,7 @@ var x0 = new Float64Array( [ 0.0, 4.0, 4.0, 6.0, 6.0, 5.0 ] );
 var x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element
 
 var results = new Results();
-var out = dztest( x.length, 'two-sided', 0.05, 0.0, 1.0, x1, 1, results );
+var out = dztest( x1.length, 'two-sided', 0.05, 0.0, 1.0, x1, 1, results );
 // returns {...}
 
 var bool = ( out === results );
@@ -135,7 +137,7 @@ var Results = require( '@stdlib/stats/base/ztest/one-sample/results/float64' );
 var x = new Float64Array( [ 0.0, 4.0, 0.0, 4.0, 0.0, 6.0, 0.0, 6.0, 0.0, 5.0 ] );
 
 var results = new Results();
-var out = dztest.ndarray( x.length, 'two-sided', 0.05, 0.0, 1.0, x, 2, 1, results );
+var out = dztest.ndarray( 5, 'two-sided', 0.05, 0.0, 1.0, x, 2, 1, results );
 // returns {...}
 
 var bool = ( out === results );