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What Is An Example Of Inferential Statistics. Regression analysis is one of the most popular analysis tools. There are two key types of inferential statistics and these will both be covered on this page. In some instances its impossible to get data from an entire population or its too expensive. There are lots of examples of applications and the application of inferential statistics in life.
For example you might stand in a mall and ask a sample of 100 people if they like shopping at Sears. You could make a bar chart of yes or no answers that would be descriptive statistics or you. Study results will vary from sample to sample strictly due to random chance ie sampling error. A statement such as 33 of 24-30 year olds prefer cake to pie relies on inferential statistics. In a nutshell inferential statistics uses a small sample of data to draw inferences about the larger population that the sample came from. For example you might stand in a mall and ask a sample of 100 people if they like shopping at Sears.
In other words it allows the researcher to make assumptions about a wider group using a smaller portion of that group as a guideline.
TESTS FOR INFERENTIAL STATISTICS T-Test Can be used as an inferential method to compare the mean of the sample to the population mean using z-scores and the normal probability curve. Inferential statistics provides a way to draw conclusions about broad groups or populations based on a set of sample data. Regression analysis is one of the most popular analysis tools. An independent variable in one statistical model may be dependent on another. For example you might stand in a mall and ask a sample of 100 people if they like shopping at Sears. However in general the inferential statistics that are often used are.