3 - Graphing Frequency Distributions

3 - Graphing Frequency Distributions - Chapter 3: Graphic...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 3: Graphic Representation of Frequency Distributions Graphs are meant to convey information as quickly and easily as possible Some basic rules to keep in mind…
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Identify your scale of measurement Is the data measured on a nominal scale? Interval? This will determine what graphs are appropriate Graphs need labels Must label your axes to know what they represent Includes creating a title for your graph
Background image of page 2
Graphing Frequency Distributions Frequency Dist. graphed in 2 dimensions X axis (abcissa) : The horizontal axis of a graph For frequency dist. Typically put scores or categories on this axis Y axis (ordinate) : The vertical axis of a graph Typically put frequencies on this axis
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Graphing Qualitative Data We can create frequency distributions for nominal data. No quantitative differences between our categories (e.g., gender, school major) Can turn this information into a Bar Diagram
Background image of page 4
Example Bar Diagram of Majors in a Psychology Class 0 1 2 3 4 5 6 7 8 Comm Educ Engr Finan Forest Nurs Psych Stat Undec Majors Majors on the X axis Frequencies on the Y axis Empty space between bars
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Space between bars indicates nominal categories For a different perspective, can create a Pie Chart Always uses relative frequencies (proportions or percentages)
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 29

3 - Graphing Frequency Distributions - Chapter 3: Graphic...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online