What are two main branches of statistics? ...[Show More]
2 years ago
Descriptive and Inferential Statistics
Statistics is the study
of gathering, evaluating, and understanding number data. The subject of
statistics can be roughly split into two major branches: descriptive statistics
and inferential statistics.
Descriptive statistics
include the gathering, arrangement, and review of data. This area of statistics
is concerned with defining and analyzing data using mean, median, mode, range,
variance, and standard deviation metrics. Descriptive statistics can be used to
evaluate and understand extensive data collections and to make inferences about
the traits of a community based on a selection (Siedlecki, 2020).
Inferential statistics
entails using statistical methods to conclude a community based on data
gathered from a sample. Inferential statistics includes making forecasts,
predicting parameters, and evaluating theories about a community using sample
data. Inferential statistics can be used to determine the probability of an
occurrence, analyze groups or populations, and establish the connection between
factors (Mishra et al., 2019).
Inferential statistics
is founded on the concept of chance, which enables us to measure the ambiguity
connected with a specific occurrence or result. Implementing statistical
techniques such as hypothesis testing, confidence intervals, and regression
analysis permits the formulation of conclusions regarding a group using a
population.
In the sphere of
statistics, inferential and descriptive statistics are regarded as necessary.
Descriptive statistics illustrate and investigate data, while inferential
statistics are utilized to make conclusions about a group based on a sample
(Amrhein et al., 2019). As a result, these two categories of statistics enable
academics to evaluate and comprehend data, predict, and derive conclusions
concerning the occurrences in our neighborhood.
References
Amrhein, V., Trafimow, D., & Greenland, S. (2019).
Inferential statistics as descriptive statistics: There is no replication
crisis if we don’t expect replication. The American Statistician, 73(sup1), 262-270.
Mishra, P., Pandey, C. M., Singh, U., Gupta, A., Sahu,
C., & Keshri, A. (2019). Descriptive statistics and normality tests for
statistical data. Annals of
cardiac anaesthesia, 22(1),
67
Siedlecki, S. L. (2020). Understanding descriptive
research designs and methods. Clinical
Nurse Specialist, 34(1),
8-12.
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