Chapter 4: Creating Graphs

Question 1

Frequency Distribution

Answer 1

A method for illustrating how often scores occur in groups called class intervals

Question 2

Class Interval

Answer 2

A fixed range of values, used in the creation of a frequency distribution

Question 3

Histogram

Answer 3

A graphical representation of a frequency distribution that uses bars of different heights to show the number of values that fall within each class interval

Question 4

Midpoint

Answer 4

The central point in a class interval

Question 5

Frequency Polygon

Answer 5

A graphical representation of a frequency distribution that uses a continuous line to show the number of values that fall within a class interval

Question 6

Cumulative Frequency Distribution

Answer 6

A frequency distribution that shows frequencies for class intervals along with the cumulative frequency at each

Question 7

Ogive

Answer 7

A visual representation of a cumulative frequency distribution