Which of the Following Statements Is Not True

question 18

Multiple Choice

Which of the following statements is not true?

• A) Chemical treatment of sediment can be effective in reducing pollution problems, but it must be repeated every few years
• B) Fast-flowing streams are generally better aerated than are lakes
• C) A body of water is described as "dead" when it contains fatal concentrations of toxic chemicals
• D) An oxygen sag curve describes changes in a stream's dissolved oxygen content along its length below an organic-matter source

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Definitions:

Stemplots

A graphical method of displaying quantitative data, typically used to show the distribution of smaller datasets.

Histograms

Histograms are graphical representations of the distribution of numerical data, where the data is divided into bins or intervals, and the frequency of data points in each bin is depicted by the height of the bar.

Leaf

Typically refers to the green, flat structure attached to a stem or branch of a plant, involved in photosynthesis.

Stem

In the context of a stem-and-leaf plot, it represents the leading digit(s) in a group of numbers which are used to organize and display data graphically.