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Descriptive and Inferential:Descriptive statistics describe the data set.Inferential statistics use the data to draw conclusions about the population.
In statistics when comparing data
From the chart, statistics show that the nation's important rate far exceeded it's export rate.
descriptive statistics-quantitavely describe the main features of a collection of data. Descriptive statistics are distinguished from inferential.Statistics(or inductive statistics),in that descriptive statistics aim to summarize a data set,rather than use the data to learn about the population that the data are thought to represent.
Statistics is needed at every stage of the research beginning from planning to the end, in order to gain scientifically importance and to obtain reliable results. The use of the inappropriate statistical method, technique and the analysis cause time and cost lost and most importantly thinking in the way of scientific ethics, it gives harm to science and humanity. Even if the study is carefully planned to conduct as a result of applications with errors, the misleading results might be obtained. That leads other mistakes who take as a reference to those studies.