Chlorofluorocarbons (CFCs)are Chemicals Used in Which of the Following

question 144

Multiple Choice

Chlorofluorocarbons (CFCs) are chemicals used in which of the following?

• A)spray-can propellants
• B)refrigerants
• C)industrial solvents
• D)all of the above

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Definitions:

Standard Deviation

Standard deviation is a measure of the amount of variation or dispersion of a set of values; a low standard deviation indicates that the values tend to be close to the mean, while a high standard deviation indicates that the values are spread out over a wider range.

Mean High Temperature

The average of the highest temperatures recorded over a specific period.

Normal Distribution

A bell-shaped probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Standard Deviation

Standard Deviation is a measure of the amount of variation or dispersion present in a set of values, indicating how spread out the values are.