« previous next »

Author Question: Which of the following conditions is needed regarding the chi-squared test statistic for the test of ... (Read 83 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
on: Jun 24, 2018
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
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Guinea pig being injected to test a chemical for its carcinogenic properties Guinea pig being injected to test a chemical for its carcinogenic properties
Common Blood Test Groups Common Blood Test Groups
A typical 12 volt test light. A typical 12 volt test light.
Controlled Scientific Experiments Scientists use experimental research to test hypotheses Controlled Scientific Experiments Scientists use experimental research to test hypotheses
Heel-to-shin test Heel-to-shin test
The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ... The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ...
Video: Polysaccharides

For a complete list of videos, visit our video library