urgent........ Describe the main stages of statistics and the related tools.
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1 Collection of data sample techniques
2 Organization of data
3 Presentaiton of data (tables, graphs)
4 Analysis of data (precenage etc)
5 Interpretation of data (magnitude)
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Descriptive statistics is statistical tools or techniques used to describe a sample or a population. Descriptive statistics reduce large data into a simpler summary. For example, a mean, median ormode is a descriptive statistic. Descriptive statistics is widely used in medical research studies. Descriptive statistics describe patterns and general trends in a data set. In most cases, descriptive statistics are used to examine or explore one variable at a time.
However, the relationship between two variables can also be described as with correlation and regression. Descriptive statistics describe the basic features of the data gathered from an experimental study. Descriptive statistics provide simple summaries about the sample and the measures. With graphics analysis, they form the basis of virtually every quantitative analysis of data.
Descriptive statistics are distinguished from inductive statistics. Data analysis draws its main conclusions using inductive statistical analysis. Descriptive statistics describe patterns and general trends in a data set. Descriptive statistics are used to examine or explore one variable at a time. The relationship between two variables can also be described as with correlation and regression.
If we are performing a formal hypothesis test on the data collected, we are actually doing inductive analysis rather than descriptive analysis.
However, the relationship between two variables can also be described as with correlation and regression. Descriptive statistics describe the basic features of the data gathered from an experimental study. Descriptive statistics provide simple summaries about the sample and the measures. With graphics analysis, they form the basis of virtually every quantitative analysis of data.
Descriptive statistics are distinguished from inductive statistics. Data analysis draws its main conclusions using inductive statistical analysis. Descriptive statistics describe patterns and general trends in a data set. Descriptive statistics are used to examine or explore one variable at a time. The relationship between two variables can also be described as with correlation and regression.
If we are performing a formal hypothesis test on the data collected, we are actually doing inductive analysis rather than descriptive analysis.
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