This topic contains a solution. Click here to go to the answer

Author Question: You want to survey 120 teachers in a school district that has 200 elementary teachers (i.e., 160 ... (Read 203 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
You want to survey 120 teachers in a school district that has 200 elementary teachers (i.e., 160 women and 40 men), 100 junior high teachers (i.e., 60 women and 40 men), and 100 high school teachers (i.e., 40 women and 60 men). How many men and women from among the elementary teachers would you choose for a proportional stratified sample?
 
  a. 30 women and 30 men c. 48 women and 12 men
  b. 18 women and 12 men d. 60 women and 15 men

Question 2

Based on what he has seen at the circus, Larry came to believe that all elephants were docile. Recently, on his first African safari, he approached an elephant with the intention of petting it. Sensing Larry's presence, the elephant wheeled around and proceeded to charge. Larry must now adjust his elephant behavior scheme. According to Piaget, Larry must
 
  a. activate.
  b. adapt.
  c. disequilibrate.
  d. organize.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Natalie4ever

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

C

Answer to Question 2

b





 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library