Question 1

Which one of the following would you calculate to better understand the middle of a distribution of test scores?

Accepted Answer

A)  measures of variability 
B)  measures of central tendency 
C)  measures of relationship 
D)  descriptive statistics

Question 2

Rashid's raw score was 42 and his z score was 3. What statement about Rashid's performance on the test is TRUE?

Accepted Answer

A)  He scored lower than most people on the test. 
B)  He scored higher than most people on the test. 
C)  He scores were about average. 
D)  Not enough information is given to answer the question.

Question 3

If Pierre earns a raw score of 20 and the score corresponds to a percentile rank of 60, we can say that Pierre scored equal to or ______ of the test takers in the norm group.

Accepted Answer

A)  higher than 60% 
B)  lower than 60% 
C)  higher than 20% 
D)  lower than 20%

Question 4

Categorical data and frequency tables would be associated with what type of data?

Accepted Answer

A)  equal interval 
B)  ratio 
C)  nominal 
D)  ordinal

Question 5

The highest score in a distribution minus the lowest score in a distribution is called the ______.

Accepted Answer

A)  standard deviation 
B)  range 
C)  variance 
D)  mode

Question 6

In a normal distribution, what percent of test takers will score between 1 standard deviation below and 1 standard deviation above the mean?

Accepted Answer

A)  2.1% 
B)  13.6% 
C)  34.1% 
D)  68.2%

Question 7

John lectures to his Tests and Measurements class on nominal scales, ordinal scales, interval scales, and ratio scales. What is he lecturing about?

Accepted Answer

A)  scale levels 
B)  levels of measurement 
C)  measurement scales 
D)  norm types

Question 8

What are three common measures of central tendency?

Accepted Answer

A)  mean, the median, and the mode 
B)  mean, the median, and the standard deviation 
C)  median, the standard deviation, and the variance 
D)  variance, the median, and the mode

Question 9

Juanita asks children to line up in order of their height, placing the shortest child first and the tallest child last. She then assigns the first child "1," the second a "2," and so on. What type of scale is Juanita using?

Accepted Answer

A)  ratio scale 
B)  ordinal scale 
C)  nominal scale 
D)  equal interval scale

Question 10

What is the median?

Accepted Answer

A)  the middle score in a distribution 
B)  the averages of all scores in a distribution 
C)  the most frequently occurring score in a distribution 
D)  a descriptive statistic that describes variability

Question 11

In a normal distribution, what percent of test takers will score between 2 and 3 standard deviations below the mean?

Accepted Answer

A)  2.1% 
B)  13.6% 
C)  34.1% 
D)  50%

Question 12

Draw and describe the characteristics of the normal curve. Include a description of the different types of distribution.

Accepted Answer

The answer of Draw and describe the characteristics of the...

Question 13

What statistic do we typically use to describe the relationship between two or more distributions of scores?

Accepted Answer

A)  mode 
B)  variance 
C)  standard deviation 
D)  correlation coefficient

Question 14

The Fahrenheit and Celsius temperature scales are both ______.

Accepted Answer

A)  ordinal scales 
B)  interval scales 
C)  ratio scales 
D)  nominal scales

Question 15

Which one of the following statements about the characteristics of a normal probability distribution is FALSE?

Accepted Answer

A)  Most test scores cluster or fall near the middle of the distribution, forming what we refer to as the average or the central tendency. 
B)  Most people will score near the middle of the distribution, making the center of the distribution the highest point. 
C)  The curve can continue to infinity, and therefore the right and left tails of the curve will never touch the baseline. 
D)  Approximately 68.2% of the population will score between the mean and 1 standard deviation.

Question 16

How would we calculate a test taker's score as a percentage?

Accepted Answer

A)  divide the test taker's raw score by the total possible score 
B)  add all test takers' scores and divide by the number of scores 
C)  take the square root of the test standard deviation 
D)  divide the highest score by the test taker's raw score

Question 17

What do standard deviation units refer to?

Accepted Answer

A)  how many standard deviations an individual score falls away from the mean 
B)  the standard deviation of a group of test scores 
C)  the strength and direction of a relationship between two distributions 
D)  the location of the middle of a distribution

Exam 4: How Do Test Users Interpret Test Scores