Suppose a Student Doing a Telephone Survey for the Campus

question 68

Multiple Choice

Suppose a student doing a telephone survey for the campus newspaper asks you, "How big a sample do I need to get accurate results?" Which of the following would be the best advice you could offer?

• A) The number of cases should be at least 25 percent of the population.
• B) Only samples of 3,000 or more yield truly accurate results.
• C) That depends on the number of students at the college. The proportion of the population sampled is more important than the absolute size of the sample.
• D) Accuracy (in terms of error reduction) improves much more for increases in sample size between 100 and 1,000 than for increases in sample size between 2,000 and 3,000.

Understand the process and importance of closing entries in the accounting cycle.

Understand and identify different types of accounts and their roles in accounting.

Grasp the concept of the adjusting process and its importance in financial reporting.

Learn how to prepare adjusting entries for various financial situations.

---

Definitions:

Dependent Variable

The variable in an experiment that is expected to change in response to manipulations of the independent variable.

Control Group

In experimental research, a group of subjects who do not receive the experimental treatment and are used as a benchmark to measure the effect of the treatment.

Experimental Group

The group in a scientific study that receives the intervention or treatment under investigation.

Independent Variable

In an experimental setting, the variable that is manipulated or changed to observe its effect on the dependent variable.