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Biostatistics

What is an estimator?

An example for a point estimator is the arithmetic mean when trying to find the mean of a population. A point estimator is used to

Biostatistics

What is the Poisson distribution?

The Poisson distribution is modelling the number of events within a defined time interval or area. For example, counting variables such as the recruitment for

Biostatistics

What is the binominal distribution?

If an outcome variable that can be specified in two response possibilities only, data can be analyzed as binary based on a binomial distribution, where each observation of a defined number of “experiments” represents one of the two outcomes, and the probability of success is the same for each observation.
In this part of our blog series accompanying our #video #series “5 Minutes Statistics for Clinical Trials” we explain what a #binomial #distribution reflects and what are its characteristics.

Biostatistics

What is the normal distribution?

The normal distribution or Gauß distribution is called normal, as it is seen as the ideal case of a distribution. It is showing the distribution

Biostatistics

What is the correlation coefficient?

The correlation coefficient (r) is a specific measure that quantifies the strength of a linear statistical relationship between two variables, as well as its direction.

Biostatistics

Graphical presentation of data

In clinical studies usually a large number of data is generated. The challenging part is then to present the data in a structured and condensed