Author Question: Given the sample variance of a distribution, explain how to find the standard deviation. What ... (Read 113 times)

DyllonKazuo

  • Hero Member
  • *****
  • Posts: 565
Given the sample variance of a distribution, explain how to find the standard deviation.
 
  What will be an ideal response?

Question 2

In a box of 75 markers, 36 markers are either red or black and 15 are blue. Find the probability that a randomly selected marker is red or black or blue.
 
  A) .68 B) .24 C) .32 D) .51



Kimmy

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

Take the square root of the sample variance to find the sample standard deviation.

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

For a complete list of videos, visit our video library