How are two-sample t-tests different from two sample z-tests?

sapetih1i

sapetih1i

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2022-08-14

How are two-sample t-tests different from two sample z-tests?

Answer & Explanation

Riya Cline

Riya Cline

Beginner2022-08-15Added 17 answers

Two sample t-tests are used to compare small groups of participants/subjects (n<30).

Explanation:
Z-tests are used when the number is large or known (n>30).

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