DataManager::countTripleMeanSamples: This function returns the number of samples where the maximum value exceeds three times their mean value.

$$ DataManager::load$\_$samples: This function is responsible for loading data from a file.

$$ DataManager::getBestSample: This function returns the sample with the highest mean value.

$$ DataRecord::getStatisticsA and DataRecord::getStatisticsB need to be implemented to calculate specific statistics values. These functions will be utilized by other functions to achieve the desired Output.

$$ DataManager::print$\_$info and DataRecord::print$\_$info should be adapted to print the desired Output.