Choosing Data Display

Display that shows change over time

• Line Graph

• Dot Plot

• Box and Whisker Plot

• Histogram

Display that shows frequency of data divided into equal intervals

• Box and Whisker Plot

• Histogram

• Line Graph

Display shows number of items in specific categories [like colors, foods, grades...]

• Bar Graph

• Box and Whisker Plot

• Line Graph

The _____ is a standardized way of displaying the distribution of data based on the minimum, first quartile, median, third quartile, and maximum of the data set.

• Dot Plot

• Histogram

• Box and Whisker Plot

• Line Graph

Lena wants to highlight the range and shape of the data. What is the most appropriate data display?

• bar chart

• circle

• histogram

• stem-and leaf plot

Why would you use a histogram?

• good for continuous data and when you want to see intervals

• when organizing numerical data

• useful to compare how things change over time

• when you want to show the total divided into parts

Explain why this graph may be misleading?

• the x-axis does not have equal intervals

• San Fransisco is not a real city

• you cannot have percents in a line graph

• the y-axis does not have equal intervals

What is misleading about this graph?
**choose the best answer

• Nothing is misleading about this graph.

• The democrats are too high.

• The y-axis does not start at zero, so it makes the democrats look much higher than the other two parties.

Why is this graph misleading?

• broken scale (doesn't start at 0)

• uneven values on vertical axis

• unequal spacing of lines

• none of the above

Alden wanted to impress his parents by showing the rapid increase in his score on 5 tests. Which graph should he use to impress them the most?

• Graph 1

• Graph 2

• Neither

• Both