How to find skewness of data
Skewness is a measure of the symmetry of a dataset. It describes the extent to which the values in the dataset are clustered around the mean. A dataset is considered symmetrical if the values on either side of the mean…
Category Statistics Theory
6 common data visualization methods for analysis
Data visualization in statistics is the process of using graphical representations of data to understand and communicate trends, patterns, and relationships in the data. Data visualization helps in data analysis by making it easier to understand and interpret large amounts…
Importance of statistics in the field of psychology
Statistics plays a critical role in psychology, a discipline that is concerned with understanding and explaining the behavior, thoughts, and feelings of individuals and groups. Statistics is used to analyze and interpret data collected from psychological research, and helps psychologists…
What is data? what are levels of measurements of data?
Data in statistics is a collection of values or observations that are gathered and analyzed to understand patterns, trends, and relationships within a particular set or population. It is used to make informed decisions, predictions, and estimates based on statistical…
What is Data wrangling
Data wrangling, also known as data munging, is the process of cleaning, transforming, and preparing data for analysis. It is an essential step in the data analysis process, as it helps to ensure that the data is reliable and ready…
How to do Hypothesis testing in statistics
Hypothesis testing is a statistical procedure used to evaluate the validity of a hypothesis. It is a tool that allows researchers to make decisions about a population based on sample data. The process of hypothesis testing involves formulating a hypothesis…
How to find quartiles of data in statistics
Quartiles in statistics are used to divide a data set into four equal parts, or quarters. The first quartile, also known as Q1, is the data point that separates the lowest 25% of the data from the highest 75%. The…
How to find percentile of data
Percentiles in statistics are used to divide a data set into 100 equal parts, or percentiles. The nth percentile is the value in a data set that is greater than or equal to n% of the data points and less…
How to calculate standard deviation of data
Standard deviation is a measure of the dispersion of a set of data. It is calculated by taking the square root of the variance of the data. There are two types of standard deviation: population standard deviation and sample standard…