ABSTRACT
Statistics plays a very important role in our daily life. Statistics help us to take in decision-making as well as provide reliable results. In making a conclusion, data is playing a key role in statistics, which give our results a proper path towards to decision making. Statistics is a science, which include the application of quantitative principles to the collection, data preparation, analysis, and presentation of numerical data. The practice of statistics utilizes data from some population in order to describe it meaningfully, to draw conclusions from it, and make informed decisions. Before any statistical analysis of data, it is important to understand the nature of data. A statistic is used to test the hypothesis Ho and involves the choice of a region on the sampling distribution of the statistic. If the value of test statistic lies in the region of rejection. Ho will be rejected and vice versa.
