Author Question: A professor is interested in the overall pattern of the scores from an exam he recently gave. Which ... (Read 36 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?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

For a complete list of videos, visit our video library