What is the difference between descriptive and inferential statistics quizlet?
Descriptive statistics are used to describe and summarize the data from a research sample. Inferential statistics help us make probability-based inferences about the wider population from which we obtained our sample.
What are descriptive statistics and inferential statistics?
With descriptive statistics you are simply describing what is or what the data shows. With inferential statistics, you are trying to reach conclusions that extend beyond the immediate data alone. For instance, we use inferential statistics to try to infer from the sample data what the population might think.
What is the point of inferential statistics?
Inferential statistics helps to suggest explanations for a situation or phenomenon. It allows you to draw conclusions based on extrapolations, and is in that way fundamentally different from descriptive statistics that merely summarize the data that has actually been measured.
What are the four types of descriptive statistics?
Descriptive statistics allow you to characterize your data based on its properties. There are four major types of descriptive statistics: * Count, Percent, Frequency.
When to use descriptive statistics?
On the other hand, descriptive statistics is used mainly to give a description of the behavior of the sample data. Descriptive statistics are usually used in presenting a quantitative analysis of data in a simple way. In a study, there are quite a number of variables that are usually measured.
When should inferential statistics typically be used?
Inferential statistics is used when we have to generalize information about the available data. It is used in salary, population, and many other similar statistics, where estimates are calculated using a sample. Descriptive statistics, by contrast, may be used to describe a sample or the whole population,…
What is an example of a descriptive statistic?
For example, the shooting percentage in basketball is a descriptive statistic that summarizes the performance of a player or a team. This number is the number of shots made divided by the number of shots taken. For example, a player who shoots 33% is making approximately one shot in every three.