THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 279

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A sample of 33 students was asked to rate themselves on whether they were outgoing or not using this five point scale: 1 = extremely extroverted,2 = extroverted,3 = neither extroverted nor introverted,4 = introverted,or 5 = extremely introverted.The results are shown in the table below:

-Calculate the sample mean.

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Definitions:

Methane Gas

A colorless, odorless, highly flammable gas, CH4, which occurs naturally as a byproduct of decomposition and is used as a fuel.

Cave Collapses

The sudden failure or falling in of a cave roof or walls, often resulting in a sinkhole or depression at the surface.

Groundwater

Water that is found beneath the earth's surface, filling the spaces between rocks and forming aquifers.

Acidic Waters

Water with a pH less than 7, often resulting from natural processes such as volcanic emissions or anthropogenic sources like pollution.