Podcast
Questions and Answers
In hypothesis testing, which of the following is the appropriate set of null and alternative hypotheses to test whether the actual mean monthly return is 2.0%?
In hypothesis testing, which of the following is the appropriate set of null and alternative hypotheses to test whether the actual mean monthly return is 2.0%?
- H0: μ = 2.0; Ha: μ ≠ 2.0 (correct)
- H0: μ ≥ 2.0; Ha: μ < 2.0
- H0: μ > 2.0; Ha: μ ≤ 2.0
- H0: μ ≤ 2.0; Ha: μ > 2.0
Given a significance level of 10%, can the null hypothesis be rejected if the actual mean monthly return is 2.0%?
Given a significance level of 10%, can the null hypothesis be rejected if the actual mean monthly return is 2.0%?
- No (correct)
- Depends on the sample size
- Cannot be determined
- Yes
Which of the following statements accurately describes paired comparisons tests?
Which of the following statements accurately describes paired comparisons tests?
- The two samples are assumed to be independent. (correct)
- Sample sizes must be equal.
- Sample data must be skewed.
- The appropriate test statistic is a z-statistic.
In hypothesis testing, what is the appropriate test statistic for paired comparisons tests?
In hypothesis testing, what is the appropriate test statistic for paired comparisons tests?
Which of the following statements accurately describes Type I and Type II errors in hypothesis testing?
Which of the following statements accurately describes Type I and Type II errors in hypothesis testing?
Which of the following is a common misconception about errors in hypothesis testing?
Which of the following is a common misconception about errors in hypothesis testing?
What would be the most appropriate hypothesis test for Robert Patterson's belief about the return on options trading being higher on Mondays?
What would be the most appropriate hypothesis test for Robert Patterson's belief about the return on options trading being higher on Mondays?
Which of the following is a strength of the bootstrapping method for simulation of asset price returns?
Which of the following is a strength of the bootstrapping method for simulation of asset price returns?
In the covariance matrix provided, what is the correlation between funds J and K?
In the covariance matrix provided, what is the correlation between funds J and K?
If a client wants to invest $200,000 in a business two years from now, how much should they set aside today with an interest rate of 6% compounded quarterly?
If a client wants to invest $200,000 in a business two years from now, how much should they set aside today with an interest rate of 6% compounded quarterly?
What would be the appropriate null hypothesis for testing whether an investment strategy results in a standard deviation of monthly returns less than 0.05?
What would be the appropriate null hypothesis for testing whether an investment strategy results in a standard deviation of monthly returns less than 0.05?
Which statement accurately describes the bootstrapping method for simulation of asset price returns?
Which statement accurately describes the bootstrapping method for simulation of asset price returns?
In hypothesis testing, what happens to the power of a test when the significance level increases?
In hypothesis testing, what happens to the power of a test when the significance level increases?
For a two-tailed test with a significance level of 0.10 and a critical value of 1.714, when can the null hypothesis be rejected?
For a two-tailed test with a significance level of 0.10 and a critical value of 1.714, when can the null hypothesis be rejected?
When is the paired comparisons (mean differences) test used for comparing means of two samples?
When is the paired comparisons (mean differences) test used for comparing means of two samples?
For hypothesis tests involving the variance of a normally distributed population, which statistic is typically used?
For hypothesis tests involving the variance of a normally distributed population, which statistic is typically used?
Which of the following statements is accurate about the null hypothesis in a two-tailed test regarding the correlation coefficient?
Which of the following statements is accurate about the null hypothesis in a two-tailed test regarding the correlation coefficient?
What is an inaccurate statement regarding the probability of a Type II error calculation?
What is an inaccurate statement regarding the probability of a Type II error calculation?