There are two type of direct method one is used in grouped data and second one used in ungrouped data
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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
The main portion of Statistics is the display of summarized data. Data is initially collected from a given source, whether they are experiments, surveys, or observation, and is presented in one of four methods:Textular Method The reader acquires information through reading the gathered data.Tabular Method Provides a more precise, systematic and orderly presentation of data in rows or columns.Semi-tabular Method Uses both textual and tabular methods.Graphical Method The utilization of graphs is most effective method of visually presenting statistical results or findings.
From the chart, statistics show that the nation's important rate far exceeded it's export rate.
In the direct method, the cells are enumerated by determining colony-forming units on a Petri dish; in the indirect method, the cell numbers are approximated using a spectrophotometer.