## Categories

Probability x 281

statistical probability is the mathematics of likelihood of occurrence of events.

Hypothesis testing x 249

Hypothesis testing is a procedure that is used by scientist to test claims about population parameters.

Research x 187

Research statistics and data analysis. Analysis of data using different methods like SPSS, R, STATA, Minitab and Excel.

Descriptive statistics x 173

Descriptive statistics are used to describe the distribution of the sampled data.

Distributions x 167

This category describes the distribution of data and structures, whether binomial distribution, bernouli distribution, poison distributions or geometric distributions

sampling x 153

There are different techniques that are employed in statistical sampling, the category discusses the different procedures employed including simple random sampling, convenient sampling, stratified sampling, clustered sampling and many more.

Data Structure x 94

A data structure is a way of organizing data in a fashion that allows particular properties of that data to be queried and/or updated efficiently.

Confidence intervals x 90

Can be described as the science of estimation.

Medical statistics x 53

Medical statistics is a branch of mathematics that involves calculation of volumes, infusion rates, and push rates.

Graphical presentation x 52

Statistical graphs are used to summarize the presentation of data so that the message being presented can be easily understood by the reader.

Regression analysis x 30

Regression analysis is a branch of statistics that deals with estimation and prediction of variables of interest using the factors that are thought to likely cause the change in the variables.

Chi-square x 27

The chi-squared test is used to determine whether there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.

Math x 26

Mathematics is the study of quantity, structure, space, and change. Any math questions on this site should be programming related.

Design of experiment x 22

is a systematic method to determine the relationship between factors affecting a process and the output of that process. In other words, it is used to find cause-and-effect relationships.

ANOVA x 18

ANOVA (Analysis of variance) is a statistical technique that is employed to means of different groups, there are different ANOVA techniques including the one-way ANOVA and factorial experiments.

Correlation x 16

Correlation study is the investigation of an association between two variables, normally the trend is of interest