To Test the Mileage Efficiency of Three New Car Models,random

question 4

Multiple Choice

To test the mileage efficiency of three new car models,random samples of various sample sizes were selected from each of the three cars and the mpg data obtained are shown below. Based on the sample date,one can conclude that

• A)all three car models have the same mean mpg.
• B)at least two car models have different mpgs.
• C)Model C has a higher mpg than Model A.
• D)None of the above

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Definitions:

Body Mechanics

The use of one's body to produce motion that is safe, energy conserving, and anatomically and physiologically efficient to prevent and correct posture problems.

Wide Base of Support

A posture strategy where the feet are set apart to enhance stability and balance.

Erect Posture

Maintaining an upright position of the body with the spine straight, often associated with standing or sitting.

Cold Application

A therapeutic treatment using cold temperatures, often in the form of ice packs, to reduce inflammation, swelling, and pain in injured areas.