« previous next »

Author Question: A professor is interested in the overall pattern of the scores from an exam he recently gave. Which ... (Read 73 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?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Pattern baldness Pattern baldness
bimanual exam bimanual exam
Interested in social reform, Harriet Martineau (1802–1876) turned to sociology, where she ... Interested in social reform, Harriet Martineau (1802–1876) turned to sociology, where she ...
Taye Diggs and Idina Menzel are an example of the most common pattern of marriages between African ... Taye Diggs and Idina Menzel are an example of the most common pattern of marriages between African ...
Global pattern emerging Global pattern emerging
Children's behaviour rating scores on measures of aggression and anxiety Children's behaviour rating scores on measures of aggression and anxiety
Video: Renal Failure

For a complete list of videos, visit our video library