Practice Test

Question 17 • VA Statistics

Which of the following displays is a relative frequency bar graph?

Answer

Image with description A bar graph titled social media preferences has platform on the x-axis . Upstart, 4; Aster, 18; Babble, 15; Techy, 12.

Image with description A bar graph titled eye color has color on the x-axis. Blue, 8; brown, 10; green, 6; hazel, 5; gray, 1.

Image with description A bar graph titled Caffeinated Drinks has drink on the x-axis. Coffee, 9; tea, 8; soda, 8; energy, 3.

Image with description A bar graph titled social media preferences has platform on the x-axis. Upstart, 0.10; Aster, 0.25; Babble, 0.30; Techy, 0.35.

Explanation

A relative frequency bar graph shows proportions or percentages rather than raw counts. Choice D gives decimal values—0.10, 0.25, 0.30, and 0.35—and these add to 1, representing the whole group. The other displays show counts of observations.

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