EDUC 606 Test Questions and
Answers.
With which term is the mean synonymous? - Answer Average
Five students received scores of 10, 12, 14, 16, and 28. The mean of these scores is: - Answer
none of the above
In a frequency distribution of 290 scores, the mean is 99 and the median is 86. One would
expect this distribution to be: - Answer positively skewed.
What percent of students in a distribution fall between the first and third quartiles? - Answer
50%
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: - Answer 20
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? -
Answer A raw score of 67
A T-score of 35 would be the same as a z-score of: - Answer - 1.5
For making predictions, a test that yields a large negative correlation is: - Answer as useful as
one with the same sized positive correlation.
A research worker gave a scholastic aptitude test to a sample of eighth graders. Then he
correlated the aptitude test scores with the chronological ages of the subjects. He found a
correlation of - .42. How should this result be interpreted? - Answer The older members of
the grade tended usually to be pupils with low academic potential and vice-versa.
An individual reported a correlation of 1.25 between form A and form B of an intelligence test.
From this coefficient one would conclude that: - Answer a mistake has been made;
correlations can't be greater than 1.
Answers.
With which term is the mean synonymous? - Answer Average
Five students received scores of 10, 12, 14, 16, and 28. The mean of these scores is: - Answer
none of the above
In a frequency distribution of 290 scores, the mean is 99 and the median is 86. One would
expect this distribution to be: - Answer positively skewed.
What percent of students in a distribution fall between the first and third quartiles? - Answer
50%
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: - Answer 20
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? -
Answer A raw score of 67
A T-score of 35 would be the same as a z-score of: - Answer - 1.5
For making predictions, a test that yields a large negative correlation is: - Answer as useful as
one with the same sized positive correlation.
A research worker gave a scholastic aptitude test to a sample of eighth graders. Then he
correlated the aptitude test scores with the chronological ages of the subjects. He found a
correlation of - .42. How should this result be interpreted? - Answer The older members of
the grade tended usually to be pupils with low academic potential and vice-versa.
An individual reported a correlation of 1.25 between form A and form B of an intelligence test.
From this coefficient one would conclude that: - Answer a mistake has been made;
correlations can't be greater than 1.
