Fix require path

Author: kgryte

lib/node_modules/@stdlib/stats/base/dstdevpn/lib/ndarray.js

@@ -20,7 +20,7 @@
 
 // MODULES //
 
-var dvariance = require( '@stdlib/stats/base/dvariance' ).ndarray;
+var dvariancepn = require( '@stdlib/stats/base/dvariancepn' ).ndarray;
 var sqrt = require( '@stdlib/math/base/special/sqrt' );
 
 
@@ -47,7 +47,7 @@ var sqrt = require( '@stdlib/math/base/special/sqrt' );
 * // returns 2.5
 */
 function dstdevpn( N, correction, x, stride, offset ) {
-	return sqrt( dvariance( N, correction, x, stride, offset ) );
+	return sqrt( dvariancepn( N, correction, x, stride, offset ) );
 }