An analyst does research about hypothesis testing. Which of the following test statistics is most appropriate test statistics for two means based on samples that we believe are dependent
A: T-test.
B: F-test.
C: Chi-square test.
A: T-test.
B: F-test.
C: Chi-square test.
举一反三
- An analyst does research about market efficiency. Which of the followings is most likely used to test the semi-strong form efficient market hypothesis（） A: Event studies. B: Serial correlation in security return. C: Trading on nonpublic information.
- Which of the following methods of market research is not an example of "primary research"? ( ) A: Questionnaires B: A company’s own sales statistics and records C: Test marketing D: Consumer panels
- 假设有类Test，下列可以正确创建对象的语句是（ ） A: Test t=1; B: Test t=new Test(); C: Test t=new Test; D: Test t= Test();
- In the process of well testing, every measured pressure and production does not change with time is() A: steady-state well testing B: unsteady test C: Pressure well test D: Constant pressure production well test
- Which of the following tests are voluntary processes in a quality control program for a product(software) A: eta test B: performance test C: comparative test D: safety test