« previous next »

Author Question: When describing a nominal variable, the best measure of central tendency to use is the A) mean. ... (Read 54 times)

erika

  • Hero Member
  • *****
  • Posts: 522
on: Jun 20, 2018
When describing a nominal variable, the best measure of central tendency to use is the
 
  A) mean.
  B) median.
  C) mode.
  D) standard deviation.

Question 2

Your sample of 12 people is being compared to a known population with a mean of 200 and a variance of 36. What is the variance of the distribution of means?
 
  A) 0.50
  B) 0.71
  C) 1.73
  D) 3.00


chereeb

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Use of the tympanic thermometer to measure body temperature. Use of the tympanic thermometer to measure body temperature.
The relative proportions of body region representation in the motor cortex (anterior to the central The relative proportions of body region representation in the motor cortex (anterior to the central
Claude Monet, Water Lilies, Morning: Willows (central section and right side). Claude Monet, Water Lilies, Morning: Willows (central section and right side).
Sociologists use income, education, and occupational prestige to measure social class. For most ... Sociologists use income, education, and occupational prestige to measure social class. For most ...
Using a DMM to measure the open-circuit voltage of a battery. Using a DMM to measure the open-circuit voltage of a battery.
Assume z is a standard normal random variable. What is the value of z if the area to the right ... Assume z is a standard normal random variable. What is the value of z if the area to the right ...
Video: Non-specific disease resistance mechanisms & Skin's defense barriers

For a complete list of videos, visit our video library