Chapter 3

Question 1

X axis

Answer 1

Abscissa (horizontal line)

Question 2

Y axis

Answer 2

Ordinate (vertical line)

Question 3

Axes

Answer 3

Vertical and horizontal lines along which the labels are placed

Question 4

Frequency histogram

Answer 4

Consists of a number of bars placed side by side
Width: indicates the class interval size
Height: indicates the frequency

Question 5

Frequency polygon

Answer 5

Uses a single point rather than a bar to represent the class interval

Question 6

Relative frequency polygon

Answer 6

Plot the line graph using the relative frequencies instead of the frequencies

Question 7

Cumulative frequency polygon

Answer 7

Plot the cumulative frequency (upper real limit)

Question 8

Cumulative relative frequency polygon

Answer 8

Graph that enables proportions to be read directly

Question 9

Cumulative percent polygon

Answer 9

Graph that enables percentiles to be read directly

Question 10

Percentile

Answer 10

Percentage of scores below the score of interest

Question 11

Stem-and-leaf diagram

Answer 11

Each raw score is divided into a stem and a leaf

Question 12

Stem

Answer 12

Remaining digits of the number after the leaf has been taken

Question 13

Leaf

Answer 13

Last digit of the score