Author Question: Which one of the following statements is incorrect about the comparison of parametric and ... (Read 55 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
Which one of the following statements is incorrect about the comparison of parametric and nonparametric statistical methods?
 a. The efficiency of a nonparametric test is the ratio of the sample size of the best parametric test to the sample size of the nonparametric test.
  b. If a set of sample data is such that it can be analyzed by using either a parametric or a nonparametric method, the parametric method is the better choice.
  c. There are nonparametric methods for which there is no parametric counterpart.
  d. Some nonparametric methods use a z-test statistic. When this occurs, the sample data is from a normal population.

Question 2

The mean, median, and standard deviation of a normally distributed random variable are all at the same position on the horizontal axis since the distribution is symmetric.
  Indicate whether the statement is true or false



Gabe

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

D

Answer to Question 2

F



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

For a complete list of videos, visit our video library