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Basic Question 2 of 4

A hypothesis test is constructed at the 5% level of significance where the population standard deviation is unknown. A random sample of size n = 18 yields a sample mean of 67 and a sample standard deviation of 6. The critical value for H0: μ < 65 is ______.

A. -1.740
B. -1.645
C. 1.740
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User Contributed Comments 1

User Comment
irapp92 This would be a good test q.. no need to include a table as we should be able to conclude that the test stat is positive and there is only 1 positive answer
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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

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® 2024 Level I Curriculum, Volume 1, Module 8.