CFA Level 1 Exam
Question No. 1
Delroy McWilliams, a quantitative analyst with Churn Brothers Brokerage, is examining a data sample and has
amassed the following information:
Standard deviation of the sample: 70
Number of observations: 600
Sample mean: 812
Assume that Mr. McWilliams formulates a null hypothesis that states that the value of the population mean is
equal to 800. Additionally, assume that the population standard deviation is unknown. Given this information,
what is the standard error of the estimate? Further, what is the test statistic? Choose the best answer.
Choose the correct option from the given list.
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