« previous next »

Author Question: Which is not true of a cumulative frequency distribution? a. It may be nonmonotonic. b. It ... (Read 66 times)

tnt_battle

  • Hero Member
  • *****
  • Posts: 556
on: Jun 20, 2018
Which is not true of a cumulative frequency distribution?
 
  a. It may be nonmonotonic.
  b. It begins at zero frequency.
  c. It indicates skewness of the distribution.
  d. The data points lie at the upper real limit of each interval.

Question 2

Which one of the following distributions is probably negatively skewed?
 
  a. family income in dollars per year
  b. scores on a very difficult test
  c. scores on a moderately difficult test
  d. scores on a very easy test


isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Apparent and True Orbits of Alpha Centauri. Apparent and True Orbits of Alpha Centauri.
Clinal map of the distribution of HbS in Africa. Clinal map of the distribution of HbS in Africa.
Population Distribution Population Distribution
The frequency of bipolar illness in members of monozygotic twin pairs and in first-degree relatives The frequency of bipolar illness in members of monozygotic twin pairs and in first-degree relatives
The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ... The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ...
Change in the frequency of a lethal recessive allele, a Change in the frequency of a lethal recessive allele, a
Video: Male Reproductive System - Testosterone

For a complete list of videos, visit our video library