« previous next »

Author Question: According to the empirical rule, how many observations lie within +/- 3 standard deviation from the ... (Read 90 times)

hbsimmons88

  • Hero Member
  • *****
  • Posts: 526
on: Jun 24, 2018
According to the empirical rule, how many observations lie within +/- 3 standard deviation from the mean?
 a. 50
 
  b. 68
 
  c. 95
 
  d. almost all

Question 2

A fan shape in a scatterplot indicates:
 a. unequal variance
  b. a nonlinear relationship
  c. the absence of outliers
  d. sampling error


bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Chargaff's Rule Chargaff's Rule
Ulnar and radial deviation of the wrist Ulnar and radial deviation of the wrist
A blade and assorted plates for a standard grinder A blade and assorted plates for a standard grinder
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 ...
Find the derivative by using the quotient rule. Find the derivative by using the quotient rule.
Find derivative using chain rule Find derivative using chain rule
Video: The Hypothalamus: The Body's Thermostat (Human Thermostat)

For a complete list of videos, visit our video library