The teacher grades the papers and determines the following set of scores: 90, 85, 87, 85, 92, 90, 83, 85, 98 What is the mode?
a. 92
b. 85
c. 98
d. 83
Q. 2The teacher calculates the highest score as being 97 and the lowest score as being 75. What is the range?
a. 22
b. 11
c. 172
d. 86
Q. 3There are 12 participants who agree to take the test for a study focused on wellness. The total of all the participants' scores is 96. What is the mean?
a. 84
b. 8
c. 1152
d. 108
Q. 4The teacher has a small class with only 7 students. The teacher grades their homework and reports scores of: 10, 7, 8, 12, 9, 11, and 13. What is the median?
a. 10
b. 70
c. 35
d. 15
Q. 5When comparing the four scales of measurement, what distinguishes the interval scale from the ratio scale?
a. Magnitude
b. Equal intervals
c. Absolute zero
d. There is no difference
Q. 6A teacher analyzes the scores from a recent test and determines a positively skewed curve. She infers that the majority of students knew:
a. only a few of the answers due to low scores
b. most of the answers due to high scores
c. about half of the answers
d. an undetermined amount due to insufficient data
Q. 7A researcher is looking for a specific study report, in which he knows the kurtosis value. He reads the following kurtosis value in various reports. Which one supports a mesokurtic distribution?
a. 0
b. 1
c. -1
d. Unknown
Q. 8When looking at a list of students' test scores, the teacher notices that one test score is extremely lower than the majority of the scores. This is known as a(an):
a. outer point
b. median
c. range
d. outlier
Q. 9A research team designed a demographic questionnaire to collect information about participants. Which of the following variables identified on the questionnaire provides an example of an ordinal scale variable?
a. Age
b. Weight
c. Rank in the military
d. Relationship Status
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