Author Question: A professor is interested in the overall pattern of the scores from an exam he recently gave. Which ... (Read 29 times)

colton

  • Hero Member
  • *****
  • Posts: 627
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
Answer to Question 1

b

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

For a complete list of videos, visit our video library