It's a type of jargon. A jargon is like an idiom but restricted to a certain act.
Are there any answer choices?
C, because with a class width of 10, you only need to look at how high up the y-axis the bars go (e.g the first bar for C goes up to 3), and then count how many points of data in the list fit in to that class width. So if you count 3 pieces of data, then the frequency would be 3. As the histogram shows.
In Reading Informational Texts
14. The evidence in paragraph 12 of "Scratching the Surface of Mars" that supports that life existed on Mars in the form of water is <em>D.</em> "The purpose of this experiment was to create sparks that could be analyzed by a few light-splitting spectrometers to determine the rock's chemical makeup."
15. Jolly Roger in the title of the article, "Battling the Digital Jolly Roger", is an example of <em>D. Allusion to the pirate flag</em>. Jolly Roger is the English name for the flag that identified pirate ships. An allusion is a figure of speech that makes reference to something, in this case the pirates or the pirate flag.
