![]() One measure of cardiovascular health is the concentration of cholesterol in the blood, measured in mmol/L, where lower cholesterol concentrations are associated with improved cardiovascular health. R and RStudio ExampleĪ researcher wanted to know whether exercise could improve a person’s cardiovascular health. Therefore, start by reading the example we use throughout this introductory guide in the next section. On this page, we set out the example we use to illustrate how to carry out an independent-samples t-test using R, before showing how to set up your data using Microsoft Excel, R and RStudio. On the previous page you learnt about the type of research where an independent-samples t-test can be used and the critical assumptions of the independent-samples t-test that your study design, variables and data must meet in order for the independent-samples t-test to be the correct statistical test for your analysis. ![]() Independent-samples t-test using R, Excel and RStudio (page 2)
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