Chapter 2

Question 1

quantitative data

Answer 1

a measure of the amount or count of an event or object

Question 2

qualitative data

Answer 2

a measure of a quality of an event or object; a measure that places that object or event in a category and/or places those categories in meaningful order

Question 3

nominal scale

Answer 3

a qualitative measurement using numerals to represent different categories

Question 4

number

Answer 4

the amount or count of objects or events present

Question 5

numerals

Answer 5

the figures or symbols used to represent number

Question 6

ordinal scale

Answer 6

a qualitative measurement using numerals to represent both category membership and order

Question 7

ratio scale

Answer 7

a quantitative measurement with a real zero point

Question 8

interval scale

Answer 8

a quantitative measurement with an arbitrary zero point

Question 9

frequency distribution

Answer 9

a table showing the frequency of occurrence of observations

Question 10

ungrouped frequency distribution

Answer 10

a table showing the frequency of individual events or observations; the raw data are not grouped

Question 11

relative frequency

Answer 11

frequency expressed as a percentage

Question 12

cumulative frequency

Answer 12

the frequency of events at or below a particular point in an ordered set

Question 13

percentile rank

Answer 13

the percentage of observations at or below a particular value in the frequency distribution

Question 14

grouped frequency distribution

Answer 14

a table showing frequency of events or observations; the raw data have been grouped into specific intervals of equal size