The document discusses statistics and its various applications. It defines statistics as the science of collecting, classifying, and using numerical data. It notes that for data to be considered statistical it must be aggregated facts that are systematically arranged and numerically expressed. Statistics has various uses including simplifying and comparing data, investigating relationships, testing hypotheses, and predicting future trends. The document also discusses how statistics is applied in different fields such as business, economics, banking, government, accounting, auditing, and astronomy.