chore: address commit comments (docs update & bench refactor)

PR-URL: #5518
Closes: #5469

Co-authored-by: Neeraj Pathak <[email protected]>
Reviewed-by: Philipp Burckhardt <[email protected]>
Signed-off-by: rahulrangers <[email protected]>

Author: rahulrangers

lib/node_modules/@stdlib/stats/base/dists/geometric/variance/README.md

@@ -153,8 +153,8 @@ for ( i = 0; i < 10; i++ ) {
 Returns the [variance][variance] of a [geometric][geometric-distribution] distribution with success probability `p`.
 
 ```c
-double out = stdlib_base_dists_geometric_variance( 9.0 );
-// returns 9.0
+double out = stdlib_base_dists_geometric_variance( 0.5 );
+// returns 2
 ```
 
 The function accepts the following arguments:

lib/node_modules/@stdlib/stats/base/dists/geometric/variance/benchmark/benchmark.native.js

@@ -24,7 +24,7 @@ var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
 var Float64Array = require( '@stdlib/array/float64' );
 var tryRequire = require( '@stdlib/utils/try-require' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var pkg = require( './../package.json' ).name;
@@ -49,7 +49,7 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 	len = 100;
 	p = new Float64Array( len );
 	for ( i = 0; i < len; i++ ) {
-		p[ i ] = ( randu() * 1.0 ) + EPS;
+		p[ i ] = uniform( EPS, 1.0 );
 	}
 
 	b.tic();