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Basic Question 8 of 8
A z-test is sometimes used instead of a t-test when ______
B. the test concerns a mean and sample size is large.
C. the test concerns the standard deviation and the sample size is unknown.
A. the test concerns a parameter not based on specific distributional assumptions.
B. the test concerns a mean and sample size is large.
C. the test concerns the standard deviation and the sample size is unknown.
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Learning Outcome Statements
construct hypothesis tests and determine their statistical significance, the associated Type I and Type II errors, and power of the test given a significance level
CFA® 2025 Level I Curriculum, Volume 1, Module 8.