Comparing two means: When drink drove a student to statistics

The t-test is a frequently used statistical procedure that compares the means of two groups. There are two versions of the test based on whether the two groups are matched or not matched. Matched groups (also known as paired groups or samples) share many common characteristics, whereas unmatched groups (or independent groups or samples) do not. You must be able to identify which version of the t-test should be used in a given situation.

For this Assignment, review this week’s Learning Resources. Reflect on how you may use the dataset to perform statistical tests in SPSS. Complete the worksheet provided in this week’s Learning Resources.

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