Environmental Researchers Have Collected Rain Acidity Data for Several Decades

question 35

Multiple Choice

Environmental researchers have collected rain acidity data for several decades. They want to see if
There is any evidence that attempts to reduce industrial pollution have produced a trend toward
Less acidic rainfall. They should display their data in a(n) …

• A) timeplot
• B) contingency table
• C) histogram
• D) bar graph
• E) boxplot

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Definitions:

Datasheet

A view mode in database applications displaying data in rows and columns, similar to a spreadsheet.

Zero-Length

Refers to an object, string, or data type that has no content or measurable length, often used as a placeholder or to indicate an empty value.

Is Null

A condition or expression in programming and databases used to check if a variable or field contains no data or value.

Freeze

A feature in spreadsheet and database software that allows users to keep selected rows or columns visible while scrolling through the rest of the document or sheet.