Author Question: Approximately how many students will typically get scores within one standard deviation of the mean ... (Read 75 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
Approximately how many students will typically get scores within one standard deviation of the mean (either above or below the mean) on a standardized achievement test?
 
  A) About two-thirds of them
  B) About one-third of them
  C) About 20 of them
  D) About half of them

Question 2

Which one of the following statements best describes how a standard score is derived?
 
  A) By identifying the grade level to which the student's test performance is most similar
  B) By counting the total number of points the student has earned on all test items
  C) By determining how far from average the student's raw score is in terms of standard deviation units
  D) By finding out how many students at the same age or grade level obtained lower scores


ttt030911

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

For a complete list of videos, visit our video library