The Best Way for Us to Be More Efficient and to Decrease

question 30

Multiple Choice

The best way for us to be more efficient and to decrease our impact on natural resources is to

• A) Consume less energy and materials in the first place
• B) Sort all recyclable materials before disposal
• C) Reuse manufactured items such as shopping bags or clothing
• D) Export more materials than we import
• E) Make sure we don't litter and to recycle our paper and plastics

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Definitions:

Standard Deviation

An indicator that quantifies the spread or variability among a collection of numbers, showing the extent to which these numbers differ from their average.

Mean

The mathematical mean of a collection of numbers, obtained by summing them up and then dividing by the total count of the numbers.

Mean Salary

The average amount of income earned by employees in a particular job, sector, or region, calculated by summing all salaries and dividing by the number of employees.

Skewed

A term describing asymmetry in the probability distribution of a real-valued random variable, indicating a deviation from the normal distribution.