Author Question: Thirty-five math majors, 47 music majors and 37 history majors are randomly selected from 276 math ... (Read 125 times)

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
Thirty-five math majors, 47 music majors and 37 history majors are randomly selected from 276 math majors, 500 music majors and 379 history majors at the state university. What sampling technique is used?
 
  A) stratified
  B) cluster
  C) convenience
  D) simple random
  E) systematic

Question 2

Assume that women have heights that are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. Find the value of the third quartile.
 
  A) 64.3 inches B) 65.3 inches C) 66.1 inches D) 67.8 inches



courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library