Question

What is one tailed and two tailed test with example?

Answer 1

Answer:

Example of a two-tailed 1-sample t-test

Suppose we perform a two-sided 1-sample t-test where we compare the mean strength (4.1) of parts from a supplier to a target value (5). We use a two-tailed test because we care whether the mean is greater than or less than the target value.

Step-by-step explanation:

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