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diff --git a/node_modules/grunt-legacy-util/node_modules/lodash/mean.js b/node_modules/grunt-legacy-util/node_modules/lodash/mean.js
new file mode 100644
index 000000000..739dc4147
--- /dev/null
+++ b/node_modules/grunt-legacy-util/node_modules/lodash/mean.js
@@ -0,0 +1,20 @@
+var sum = require('./sum');
+
+/**
+ * Computes the mean of the values in `array`.
+ *
+ * @static
+ * @memberOf _
+ * @category Math
+ * @param {Array} array The array to iterate over.
+ * @returns {number} Returns the mean.
+ * @example
+ *
+ * _.mean([4, 2, 8, 6]);
+ * // => 5
+ */
+function mean(array) {
+  return sum(array) / (array ? array.length : 0);
+}
+
+module.exports = mean;