docs: update examples and parameter types in variancetk documentation

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Author: gururaj1512

lib/node_modules/@stdlib/stats/base/variancetk/docs/repl.txt

@@ -54,8 +54,6 @@
     // Using view offsets:
     > var x0 = new {{alias:@stdlib/array/float64}}( [ 1.0, -2.0, 3.0, 2.0, 5.0, -1.0 ] );
     > var x1 = new {{alias:@stdlib/array/float64}}( x0.buffer, x0.BYTES_PER_ELEMENT*1 );
-    > N = {{alias:@stdlib/math/base/special/floor}}( x0.length / 2 );
-    > stride = 2;
     > {{alias}}( 3, 1, x1, 2 )
     ~4.3333
 
@@ -107,7 +105,7 @@
     ~4.3333
 
     // Using offset parameter:
-    > var x = [ 1.0, -2.0, 3.0, 2.0, 5.0, -1.0 ];
+    > x = [ 1.0, -2.0, 3.0, 2.0, 5.0, -1.0 ];
     > {{alias}}.ndarray( 3, 1, x, 2, 1 )
     ~4.3333
 

lib/node_modules/@stdlib/stats/base/variancetk/docs/types/index.d.ts

@@ -64,7 +64,7 @@ interface Routine {
 	* var v = variancetk.ndarray( x.length, 1, x, 1, 0 );
 	* // returns ~4.3333
 	*/
-	ndarray( N: number, correction: number, x: NumericArray, stride: number, offset: number ): number;
+	ndarray( N: number, correction: number, x: InputArray, strideX: number, offsetX: number ): number;
 }
 
 /**