Environmental Researchers Have Collected Rain Acidity Data for Several Decades

question 90

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

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Definitions:

Semiannual Compounding

Refers to the process of applying interest to a principal amount twice a year, resulting in interest being calculated on previously earned interest as well as the principal.

Calgary Real Estate Board

An industry association in Calgary, Alberta, that provides resources and support to real estate professionals.

Compound Increase

An increase where interest is calculated on the initial principal and also on the accumulated interest of previous periods.

Compounded Semiannually

The process of computing interest twice yearly and adding it to the principal sum, affecting the total amount earned or paid.