Question: Write insights/understanding about the t-test and z-test. Write it in a paragraph form. Explanations will include the following: 1. Concepts about t-test/z-test; 2. Formula; 3.

Write insights/understanding about the t-test and z-test. Write it in a paragraph form. Explanations will include the following: 1. Concepts about t-test/z-test; 2. Formula; 3. When to use it; and 4. others.

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