But it is easily affected by any extreme value/outlier. Statistics is a branch of mathematics used to summarize, analyze, and interpret a group of numbers or observations. Advantages It is easy to understand and simple to calculate. Arithmetic mean is sum total of numbers present in the collection divided by the number of numbers present in the collection. Like any other tool, statistics can be used or misused. Statistical data and different techniques of statistical analysis are the very countries are useful in solving economic problems. The study of statistics will serve to enhance and further develop these skills. Statistics help in economic planning . It can be located just by inspection in ungrouped data and discrete frequency distri Statistics helps in describing these measurements more precisely. The advantages seem to outweigh the disadvantages. Scope of Statistics 1. Note that Mean can only be defined on interval and ratio level of measurement Median is the mid point of data when it is arranged in order. analytic skills. Statistical analysis is used to determine if a scientific experiment produced a result that supported a hypothesis or not. Inferential statistics can produce cause and effect while making predications and it provides insight between variables (Anderson, 2017). The main advantage of statistics is that information is presented in a way that is easy to analyze, which makes its conclusions easily accessible. Mean is typically the best measure of central tendency because it takes all values into account. The fourth reason to study statistics is to be an informed consumer. •• Inferential statistics: statistics used to interpret the meaning of descriptive statistics. The Importance and Scope of Statistics can be very well appreciated as the researcher follows:. It is not affected by extremely large or small values. Assess the Advantages and Disadvantages of Official Statistics Official statistics are quantitative data produced by local and national government bodies, and can cover a wide range of behaviour including births, deaths, marriages and divorce, income, crime, and work and leisure. To do well in statistics one must develop and use formal logical thinking abilities that are both high level and creative. Statistics is a branch of applied mathematics. Mean = Sum of all values / number of values. Research has suggested that inferential statistics has the advantage over descriptive statistics when it comes to producing more detailed information. We begin by introducing two general types of statistics: •• Descriptive statistics: statistics that summarize observations. A large number of statistical methods like probability averages, dispersions, estimation, etc., is used in mathematics, and different techniques of pure mathematics like integration, differentiation and algebra are used in statistics. For example if there are 5 people whose weight are 30,40,50,60 and 70 pounds, now if one has to find the mean weight of this group than Mean is a concept used in the context of statistics, it is also known as the arithmetic mean.

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