Author Question: Which of the following conditions is needed regarding the chi-squared test statistic for the test of ... (Read 84 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
Which of the following conditions is needed regarding the chi-squared test statistic for the test of variance?
 a. The population random variable must be normal.
  b. The test statistic must be a non-negative number.
  c. The test statistic must have a chi-squared distribution with n - 1 degrees of freedom.
  d. All of these choices are true.

Question 2

The test statistic Fr for the Friedman test has what distribution?
 a. approximate normal distribution
  b. approximate chi-squared distribution
  c. F-distribution
  d. None of these choices.



Eunice618

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

For a complete list of videos, visit our video library