@@ -173,7 +173,7 @@ |
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173 | 173 | * |
174 | 174 | * @param array $values The input values |
175 | 175 | * @param bool $sample Whether or not to compensate for small samples (n - 1), defaults to true |
176 | - * @return float|int The variance of values as an integer or float |
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176 | + * @return double The variance of values as an integer or float |
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177 | 177 | * @throws \Oefenweb\Statistics\StatisticsError |
178 | 178 | */ |
179 | 179 | public static function variance($values, $sample = true) |