This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A random variable is any variable the numerical value of which is determined by a random experiment, ... (Read 70 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
on: Jul 24, 2018
A random variable is any variable the numerical value of which is determined by a random experiment, and, thus, by chance.
  Indicate whether the statement is true or false

Question 2

A chi-square test of independence is applied to a contingency table with 4 rows and 5 columns for two qualitative variables. The degrees of freedom for this test will be:
 a. 20.
  b. 16.
  c. 15.
  d. 12.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

braelync

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jul 24, 2018
Answer to Question 1

T

Answer to Question 2

D


debasdf

  • Member
  • Posts: 570
Reply 2 on: Jul 24, 2018
:D TYSM

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Your heart beats over 36 million times a year.

The standard protocol of a metagenomics experiment. The standard protocol of a metagenomics experiment.
Chuckwalla body lengths at the end of a laboratory rearing experiment Chuckwalla body lengths at the end of a laboratory rearing experiment
The notorious standford prison experiment The notorious standford prison experiment
Absorption & Stripping Design Random packing materials Absorption & Stripping Design Random packing materials
Mixing schematic Diagram CHE 415 unit operations experiment apparatus Mixing schematic Diagram CHE 415 unit operations experiment apparatus
A participant in a sleep experiment. A participant in a sleep experiment.
Video: Fermentation - When Oxygen Is Absent, Pyruvate to Lactate & Pyruvate to Ethanol

For a complete list of videos, visit our video library