feat: add header file with results struct

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
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    status: passed
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    status: passed
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    status: na
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    status: passed
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    status: na
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    status: passed
---

Author: kgryte

lib/node_modules/@stdlib/stats/base/ztest/one-sample/results/float32/include/stdlib/stats/base/ztest/one-sample/results/float32.h

@@ -0,0 +1,54 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#ifndef STDLIB_STATS_BASE_ZTEST_ONE_SAMPLE_RESULTS_FLOAT32_H
+#define STDLIB_STATS_BASE_ZTEST_ONE_SAMPLE_RESULTS_FLOAT32_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+/**
+* Struct for storing test results.
+*/
+struct stdlib_stats_ztest_one_sample_float32_results {
+	// Boolean indicating whether the null hypothesis was rejected:
+	bool rejected;
+
+	// Alternative hypothesis:
+	int8_t alternative;
+
+	// Significance level:
+	float alpha;
+
+	// p-value:
+	float pValue;
+
+	// Test statistic:
+	float statistic;
+
+	// Confidence interval:
+	float ci[ 2 ];
+
+	// Mean value under the null hypothesis:
+	float nullValue;
+
+	// Standard error of the mean:
+	float sd;
+};
+
+#endif // !STDLIB_STATS_BASE_ZTEST_ONE_SAMPLE_RESULTS_FLOAT32_H

lib/node_modules/@stdlib/stats/base/ztest/one-sample/results/float32/manifest.json

@@ -0,0 +1,36 @@
+{
+  "options": {},
+  "fields": [
+    {
+      "field": "src",
+      "resolve": true,
+      "relative": true
+    },
+    {
+      "field": "include",
+      "resolve": true,
+      "relative": true
+    },
+    {
+      "field": "libraries",
+      "resolve": false,
+      "relative": false
+    },
+    {
+      "field": "libpath",
+      "resolve": true,
+      "relative": false
+    }
+  ],
+  "confs": [
+    {
+      "src": [],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": []
+    }
+  ]
+}

lib/node_modules/@stdlib/stats/base/ztest/one-sample/results/float32/package.json

@@ -18,6 +18,7 @@
     "benchmark": "./benchmark",
     "doc": "./docs",
     "example": "./examples",
+    "include": "./include",
     "lib": "./lib",
     "test": "./test"
   },