A study was designed to investigate the effects of two variables (1 ) a student's level of
mathematical anxiety and (2 ) teaching method on a student's achievement in a mathematics
course.
Students who had a low level of mathematical anxiety were taught using the traditional
expository method. These students obtained a mean score of 440 with a standard deviation of 50
on a standardized test. Assuming a mound-shaped and symmetric distribution, in what range
would approximately 68% of the students score?
A) between 390 and 490 B) below 490
C) below 390 and above 490 D) above 490
A
You might also like to view...
Eye Tracking Inc., which specializes in eye movement research, would be considered a specialized research technique firm
Indicate whether the statement is true or false
Another name for the par value of a bond is its ________
Fill in the blank(s) with the appropriate word(s).