The Reaction of Automobile Exhaust and Ultraviolet Light

question 27

Multiple Choice

The reaction of automobile exhaust and ultraviolet light

• A)produces photochemical smog.
• B)produces industrial smog.
• C)is affecting the stratospheric ozone concentration.
• D)forms smoke and fog.
• E)is considered beneficial because of the production of O3.

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Definitions:

Null Hypothesis

A default hypothesis that there is no significant difference or effect, tested against the alternative hypothesis.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it depends on the chosen level of significance.

Test Statistic

A standardized value used in hypothesis testing to determine how far a sample statistic diverges from what is assumed in the null hypothesis.