​Which of the Following Is Least Useful in Making Comparisons

question 6

Multiple Choice

​Which of the following is least useful in making comparisons or showing the relationships of two variables?

• A) Stacked bar chart
• B) ​Stem-and-leaf display
• C) ​Crosstabulation
• D) ​Scatter diagram

---

Definitions:

Prostaglandins

A collection of active lipid molecules that exhibit various hormone-like functions in animals.

Blood Pressure

The pressure exerted by circulating blood upon the walls of blood vessels, and is one of the principal vital signs.

Acidic Water

Water with a pH less than 7, indicating it has a higher concentration of hydrogen ions than pure water.

Phosphoglyceride

A type of glycerophospholipid which is a major component of cell membranes, composed of two fatty acids, a glycerol unit, and a phosphate group.