« previous next »

Author Question: A professor is interested in the overall pattern of the scores from an exam he recently gave. Which ... (Read 79 times)

colton

  • Hero Member
  • *****
  • Posts: 627
on: Jun 20, 2018
A professor is interested in the overall pattern of the scores from an exam he recently gave. Which of the following would be most useful to him?
 
  a. the mean exam score
  b. the frequency distribution of the exam scores
  c. the range of the exam scores
  d. the variance of the exam scores

Question 2

A visual display that preserves the original numbers while still providing a visual summary of the data is the
 
  a. frequency polygon.
  b. stem-and-leaf chart.
  c. histogram.
  d. frequency distribution.


ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jun 20, 2018
Answer to Question 1

b

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

A king cheetah showing its distinctive coat pattern A king cheetah showing its distinctive coat pattern
Pattern for Tactile Fremitus, Left Lateral Thorax Pattern for Tactile Fremitus, Left Lateral Thorax
Pima Indian woman receiving an eye exam. Pima Indian woman receiving an eye exam.
Major Findings of the High Scope Preschool Study High Scope participants showed better academic per Major Findings of the High Scope Preschool Study High Scope participants showed better academic per
Pattern for palpating the posterior thorax Pattern for palpating the posterior thorax
Independent assortment for two traits in humans follows the same pattern of inheritance as traits in Independent assortment for two traits in humans follows the same pattern of inheritance as traits in
Video: Introduction to Heart Attacks

For a complete list of videos, visit our video library