All of the Following Statements Are True EXCEPT

question 19

Multiple Choice

All of the following statements are true EXCEPT:

• A)fumes from some types of silicone RTV sealants used on the engine can contaminate O₂ sensors.
• B)lead in fuel can contaminate an O₂ sensor.
• C)if the pores of an O₂ sensor become plugged, its response time and output voltage will increase.
• D)carbon buildup on an O₂ sensor can be from an overly rich air-fuel mixture, engine oil consumption, or a bad turbocharger turbine seal.

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Definitions:

Two-tailed Test

A statistical test in which the critical area for rejection of the null hypothesis is on both sides of the distribution.

Variance

A statistical measurement of the spread between numbers in a data set, indicating how far each number in the set is from the mean.

Significantly Less

A statistical term used to indicate that one set of data is considerably lower than another with a level of statistical significance.

Variance

A statistic that measures the spread between numbers in a data set, indicating how far each number in the set is from the mean.