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

Author Question: African Americans constitute what percentage of the U.S. population? a. 5 percent b. nearly 13 ... (Read 47 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
African Americans constitute what percentage of the U.S. population?
 
  a. 5 percent
  b. nearly 13 percent
  c. approximately 20 percent
 d. more than 25 percent

Question 2

What is the difference between random sampling and stratified sampling?
 
  a. Stratified sampling combines random selection with predetermined weighting of a population's demographic characteristics.
  b. Stratified sampling gives each member of a targeted population the same probability of being polled, whereas simple random sampling does not.
  c. Random sampling incorporates random selection into the polling procedure, whereas stratified sampling allows for self-selection.
 d. Stratified sampling relies on techniques to minimize bias, whereas simple random sampling does not.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

b

Answer to Question 2

a




oliviahorn72

  • Member
  • Posts: 579
Reply 2 on: Jul 9, 2018
Excellent


jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

For a complete list of videos, visit our video library