diff --git a/lib/node_modules/@stdlib/stats/base/dists/poisson/mean/README.md b/lib/node_modules/@stdlib/stats/base/dists/poisson/mean/README.md
index 513f1d484eb0..4a09ff17f464 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/poisson/mean/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/poisson/mean/README.md
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+* * *
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+## C APIs
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+### Usage
+
+```c
+#include "stdlib/stats/base/dists/poisson/mean.h"
+```
+
+#### stdlib_base_dists_poisson_mean( λ )
+
+Returns the [expected value][expected-value] of a [Poisson][poisson-distribution] distribution with mean parameter `λ`.
+
+```c
+double out = stdlib_base_dists_poisson_mean( 0.5 );
+// returns 0.5
+```
+
+The function accepts the following arguments:
+
+- **λ**: `[in] double` mean parameter.
+
+```c
+double stdlib_base_dists_poisson_mean( const double lambda );
+```
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+### Examples
+
+```c
+#include "stdlib/stats/base/dists/poisson/mean.h"
+#include
+#include
+
+int main( void ) {
+ double lambda;
+ double v;
+ int i;
+
+ for ( i = 0; i < 10; i++ ) {
+ lambda = 20.0 * (double)rand() / ( (double)RAND_MAX + 1.0 );
+ v = stdlib_base_dists_poisson_mean( lambda );
+ printf( "λ: %lf , E(X;λ): %lf\n", lambda , v );
+ }
+}
+```
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