For normally distributed populations, if two samples are independent and the variances are known, the z -
test is used.

Name: For normally distributed populations, if two samples are independent and the variances are known, the z - test is used.
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Quizplus · Accepted Answer

This statement is true. When working with normally distributed populations, the z-test is appropriate when the samples are independent and the variances are known.

For Normally Distributed Populations, If Two Samples Are Independent and the Variances