cosmetic edits (include standard headers using <>)

src/outliers.h

@@ -5,8 +5,8 @@
 #ifndef UEBUNG5_OUTLIERS_H
 #define UEBUNG5_OUTLIERS_H
 
+#include <cstddef>
 #include <vector>
-#include "cstddef"
 
 double findNMin(const std::vector<double>& data, size_t n);
 double findNMax(const std::vector<double>& data, size_t n);

src/statistics.cpp

 #include "statistics.h"
-#include "cstddef"
+
 #include <algorithm>
 #include <numeric>
 
-size_t countValuesNearMean(const std::vector<double>& data) {
-    return 0;
-}
+size_t countValuesNearMean(const std::vector<double>& data) { return 0; }

src/statistics.h

 #ifndef STATISTICS_H
 #define STATISTICS_H
 
+#include <cstddef>
 #include <vector>
-#include "cstddef"
 
 size_t countValuesNearMean(const std::vector<double>& data);