题目内容

Which of the following statements is FALSE regarding hypothesis testing？

An analyst can perform a one-tailed or a two-tailed test.
B. A type I error is acceptance of a hypothesis that is actually false.
C. A type II error is the acceptance of a hypothesis that is actually false.
D. The significance level is the risk of making a type I error.

查看答案

搜索结果不匹配？点我反馈

更多问题

Sarah Parker is buying a new $25,000 car. Her trade-in is worth $5,000 so she needs to borrow $20,000. The loan will be paid in 48 monthly installments and the annual interest rate on the loan is 7.5%. If the first payment is due at the end of the first month, what is Sarah 抯 monthly car payment？

A. $480.57.
B. $483.58.
C. $416.67.
D. $427.63.

查看答案

The mean return of Bartlett Co. is 3 percent and the standard deviation is 6 percent based on 20 monthly returns. What is the standard error of the sample？

A. 2.00%.
B. 0.67%.
C. 0.50%.
D. 1.34%.

查看答案

Johnson Inc. manages a growth portfolio of equity securities that has a mean monthly return of 1.45% and a standard deviation of 10.8%. The S&P 500 has a mean monthly return of 1.2% and a standard deviation of 6.8%. The mean monthly return on T-bills is 0.30%. Calculate Sharpe 抯 reward-to-variability ratio for the growth portfolio and for the S&P 500. Which of the following statements is TRUE？

A. Based on a reward-to-variability ratio the growth portfolio is preferable to the S&P 500.
B. The growth portfolio has more excess return per unit of risk than the S&P 500.
C. An investor would always prefer the S&P 500 to the growth portfolio.
D. Based on a reward-to-variability ratio the S&P 500 is preferable to the growth portfolio.

查看答案

Which of the following statements are TRUE？ I. The mean of a sample of five numbers (5 + 2 + 4 + 5 + 4) is ΣX / (n -1) = 5. II. The standard error of the sample means of the numbers above is s/ (n-1) = .75. III. The variance of a sample of five numbers (5 + 2 + 4 + 5 + 4) is Σ(X - X)2 / (n-1) = 1.5. IV. The sampling error is the difference between a sample statistic and its corresponding population parameter.

A. III and IV only.
B. III only.
C. I, II, and III only.
D. I, II, III, and IV.

查看答案

Which of the following statements is FALSE regarding hypothesis testing？

An analyst can perform a one-tailed or a two-tailed test. B. A type I error is acceptance of a hypothesis that is actually false. C. A type II error is the acceptance of a hypothesis that is actually false. D. The significance level is the risk of making a type I error.

The mean return of Bartlett Co. is 3 percent and the standard deviation is 6 percent based on 20 monthly returns. What is the standard error of the sample？

An analyst can perform a one-tailed or a two-tailed test.
B. A type I error is acceptance of a hypothesis that is actually false.
C. A type II error is the acceptance of a hypothesis that is actually false.
D. The significance level is the risk of making a type I error.