Seeing is believing!
Before you order, simply sign up for a free user account and in seconds you'll be experiencing the best in CFA exam preparation.
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.
User Contributed Comments 0
You need to log in first to add your comment.
I am using your study notes and I know of at least 5 other friends of mine who used it and passed the exam last Dec. Keep up your great work!
Barnes
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.