Section 10: Range And Interquartile Range

Question 1

“A synonym for the term variability is spread.” This statement is
True or false

Answer 1

True

Question 2

“The range is a statistic that describes variability.” The statement is true or false

Answer 2

True

Question 3

In the following set of scores, which score is an outlier?

Scores: 1, 1, 3, 4, 6, 7, 30

Answer 3

30

Question 4

“When the median is reported as the average for a set of scores, it is customary to report the interquartile range as a measure of variability.” This statement is true or false

Answer 4

True

Question 5

“The interquartile range is defined as the range of the middle 35% of the participants.” True or false

Answer 5

False inner 50 % or so