Inferential statistics

To make conclusions about a population based on sample data.

A population is the whole group of interest, while a sample is a smaller group chosen from that population.

A statement we want to test

A definitive conclusion drawn from data.

An untestable assumption about the variables.

A summary of past research findings.

testing a claim about a population parameter using sample data

testing requires prior knowledge of the entire population.

testing is a method for collecting data from multiple sources.

testing is only applicable to large datasets.

1. Drawing conclusions from the data

1. Calculating the P value

1. Assuming the null hypothesis is true before testing

1. Collecting data from the sample