When Graphing Ratio Data,why Is It Preferable to Set the Ordinate

question 62

Multiple Choice

When graphing ratio data,why is it preferable to set the ordinate of the y-axis at 0?

• A) It is simply the traditional way of doing things, and has no inherent benefit.
• B) Setting the ordinate to other values may yield an exaggerated impression of the changes in the variable.
• C) Doing so is the best protection against statistic-based challenges regarding methodology, findings, and conclusions.
• D) Ratio-level data has a theoretical range from 0 to plus or minus infinity.

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Definitions:

Sister Chromatids

The two identical DNA molecules of a duplicated eukaryotic chromosome, attached at the centromere.

Chromosome

A structure that consists of DNA together with associated proteins; carries part or all of a cell’s genetic information.

Genetic Information

The instructions coded in the DNA or RNA that determine the characteristics of an organism.

Hydrogen Bonds

A type of weak chemical bond that occurs when a hydrogen atom bonded to a highly electronegative atom, such as oxygen or nitrogen, experiences an attraction to another electronegative atom.