Descriptive statistical analysis: Difference between revisions
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'''Descriptive statistical analysis''' is a [[method]] used by businesses and organizations to summarize and interpret large amounts of data. It is used to make sense of the data by identifying patterns, trends, and relationships between variables. Descriptive statistical analysis involves utilizing various [[statistical methods]] such as central tendencies, correlations, and distributions to summarize the data and make meaningful interpretations of it. It is a powerful tool used to aid decision-making and to provide insights into a business or [[organization]]'s operations. | '''Descriptive statistical analysis''' is a [[method]] used by businesses and organizations to summarize and interpret large amounts of data. It is used to make sense of the data by identifying patterns, trends, and relationships between variables. Descriptive statistical analysis involves utilizing various [[statistical methods]] such as central tendencies, correlations, and distributions to summarize the data and make meaningful interpretations of it. It is a powerful tool used to aid decision-making and to provide insights into a business or [[organization]]'s operations. | ||
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* '''Time Series Analysis''': This approach uses data from past events to identify patterns and trends that can be used to predict future events. | * '''Time Series Analysis''': This approach uses data from past events to identify patterns and trends that can be used to predict future events. | ||
== | {{infobox5|list1={{i5link|a=[[Negative correlation]]}} — {{i5link|a=[[Analysis of information]]}} — {{i5link|a=[[Multivariate data analysis]]}} — {{i5link|a=[[Analysis and interpretation]]}} — {{i5link|a=[[Secondary data sources]]}} — {{i5link|a=[[Post hoc analysis]]}} — {{i5link|a=[[Logistic regression model]]}} — {{i5link|a=[[Mapping knowledge]]}} — {{i5link|a=[[Statistical methods]]}} }} | ||
==References== | |||
* Fisher, M. J., & Marshall, A. P. (2009). ''[https://www.academia.edu/download/70086978/j.aucc.2008.11.00320210921-27063-l76gju.pdf Understanding descriptive statistics]''. Australian critical care, 22(2), 93-97. | * Fisher, M. J., & Marshall, A. P. (2009). ''[https://www.academia.edu/download/70086978/j.aucc.2008.11.00320210921-27063-l76gju.pdf Understanding descriptive statistics]''. Australian critical care, 22(2), 93-97. | ||
[[Category:Statistics]] | [[Category:Statistics]] | ||
Latest revision as of 20:00, 17 November 2023
Descriptive statistical analysis is a method used by businesses and organizations to summarize and interpret large amounts of data. It is used to make sense of the data by identifying patterns, trends, and relationships between variables. Descriptive statistical analysis involves utilizing various statistical methods such as central tendencies, correlations, and distributions to summarize the data and make meaningful interpretations of it. It is a powerful tool used to aid decision-making and to provide insights into a business or organization's operations.
Example of descriptive statistical analysis
- A retail store manager might use descriptive statistical analysis to identify correlations between sales and customer behavior. By collecting data on customer purchases, the manager can use descriptive analysis to identify which products are selling well and what demographic of customers are buying them. This information can be used to inform marketing decisions and product development strategies.
- A local government office may use descriptive statistical analysis to monitor changes in the population of the city. By collecting data on the number of people living in the city, their ages, and where they come from, the office can use descriptive analysis to identify trends in population growth and movements. This data can be used to inform decisions about infrastructure and services in the area.
- A manufacturing company may use descriptive statistical analysis to monitor the performance of their production line. By collecting data on the number of products produced, the quality of the products, and the time taken to produce them, the company can use descriptive analysis to identify any problems or issues with the production process. This data can be used to improve efficiency and reduce costs.
When to use descriptive statistical analysis
Descriptive statistical analysis is a powerful tool used to summarize and interpret large amounts of data. It can be used in a variety of contexts, such as:
- Investigating the relationship between two or more variables.
- Analyzing customer trends.
- Identifying potential customer segments.
- Identifying the most important factors influencing a business decision.
- Identifying relationships between customer behavior and market conditions.
- Developing predictive models.
- Analyzing patterns in sales and marketing performance.
- Evaluating the success of a new product or service.
- Analysing customer satisfaction and loyalty.
- Examining the effectiveness of marketing campaigns.
- Assessing the accuracy of financial models and forecasts.
Types of descriptive statistical analysis
Descriptive statistical analysis is a powerful tool used to aid decision-making and to provide insights into a business or organization's operations. The types of descriptive statistical analysis include:
- Central Tendency: This type of descriptive analysis looks at measures of central tendency, such as the mean, median, and mode of a set of data. It is used to identify the most typical value of a dataset.
- Correlation: This type of analysis looks at the relationship between two or more variables. It is used to identify if there is a positive or negative relationship between the variables.
- Distribution: This type of analysis looks at how the data is spread out across a range of values. It is used to identify any outliers or unusual data points.
- Regression: This type of analysis looks at the relationship between a dependent variable and one or more independent variables. It is used to identify any patterns in the data that could lead to predictions about the dependent variable.
In addition to descriptive statistical analysis, there are several other approaches that are often used to interpret data. These include:
- Inferential Statistical Analysis: This approach utilizes various statistical techniques to draw conclusions about a population based on a smaller sample. It is used to make predictions and to test hypotheses.
- Predictive Analysis: This approach uses data to build predictive models that can be used to make predictions about future events.
- Regression Analysis: This approach is used to examine the relationship between two or more variables and to identify which variables are most important.
- Time Series Analysis: This approach uses data from past events to identify patterns and trends that can be used to predict future events.
| Descriptive statistical analysis — recommended articles |
| Negative correlation — Analysis of information — Multivariate data analysis — Analysis and interpretation — Secondary data sources — Post hoc analysis — Logistic regression model — Mapping knowledge — Statistical methods |
References
- Fisher, M. J., & Marshall, A. P. (2009). Understanding descriptive statistics. Australian critical care, 22(2), 93-97.
