Liberty University

EDUC 606

Quiz 5

Question1)Assume that a set of 90 normally distributed test scores has a mean of 70 and a standard deviation of 10. Which of the following represents the highest degree of relative performance?

Question 2                                                                                                                                         

Another name for a histogram is:

Question 3                                                                                                                                         

In high school, a teacher gave two sections of a class the same arithmetic test. The results were as follows:

Section I: Mean 45, Standard deviation 6.5 Section II: Mean 45, Standard deviation 3.1 Which of the following conclusions is ?

Question 4                                                                                                                                         

In a normal distribution, what percentage of scores will fall between -1 standard deviation and +1 standard deviation?

Question 5                                                                                                                                         

The distance between -.50 and +.50 in z-score units represents how many stanines?

Question 6                                                                                                                                         

A distribution with more than one most frequent score is:

Question 7                                                                                                                                         

Assume that a set of 90 normally distributed test scores has a mean of 70 and a standard deviation of 10. A T-score of 0 would be equivalent to a raw score of:

Question 8                                                                                                                                         

The score that is duplicated (repeated) the largest number of times in a set of scores is the:

Question 9                                                                                                                                         

The median is a point on the scale that divides the:

Question 10                                                                                                                                       

The coefficient of determination is used to:

Question 11                                                                                                                                       

A distribution with more than one most frequent score is: