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Basic Question 1 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 > 70 is ______.
B. -1.645
C. 1.645
A. -1.740
B. -1.645
C. 1.645
User Contributed Comments 8
| User | Comment |
|---|---|
| rufi | will these tables provided in the exam? |
| arkot90 | probably not... |
| achu | I think the relevant table values will be provided. It's not reasonable to ask candidates to memorize table values. |
| bhaynes | They are absolutley provided. You get a booklet with all relevant tables that you will needed. |
| thecfaguy | They won't provide you with any booklet.... a set of relevant values will be provided for us to choose from.... |
| safash | there wont b any booklet....they wont even give you a spare paper to work out your problems on ,u have to some how manage it all on the question paper. |
| johntan1979 | They WILL give you a table next to the question, just that they give you one with one-tailed and two-tailed together, so you still need to figure out which one to use. |
| sgossett86 | you're not even allowed to use a calculator for most of the problems. and you have to answer a lot of these thought provoked questions in thirty seconds or less. they want to know that you know this stuff, not that you're reasoning or eliminating your way through these multiple choices... |
I passed! I did not get a chance to tell you before the exam - but your site was excellent. I will definitely take it next year for Level II.
Tamara Schultz
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.