Use the Appropriate Rounding Rule to Answer the Question with the Correct

question 222

Multiple Choice

Use the appropriate rounding rule to answer the question with the correct precision or correct number of significantdigits.
-Find your speed by dividing the distance you traveled, 259 kilometers, by the time, 2.1 hours.

• A)123.3 kilometers per hour
• B)123 kilometers per hour
• C)100 kilometers per hour
• D)120 kilometers per hour

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Definitions:

Hypothesis Test

A statistical technique that employs data from a sample to test a theory regarding a characteristic of the entire population.

Long-Distance Calls

Telephone calls made to a different geographic region, typically characterized by higher rates compared to local calls.

Type I Error

The error made in statistical hypothesis testing when a true null hypothesis is incorrectly rejected.

Mean Battery Life

The average length of time a battery can power a device before needing to be recharged or replaced, calculated from a set of samples or tests.