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The Table Below Shows Two Samples Taken to Compare the Mean

question 21

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The table below shows two samples taken to compare the mean age of individuals who purchased the iPhone 3G at two AT&T store locations. The table below shows two samples taken to compare the mean age of individuals who purchased the iPhone 3G at two AT&T store locations.   At α = .05,can you conclude that the first sample has a larger variance than the second sample? A) Yes,clearly. B) Yes,but just barely. C) No. At α = .05,can you conclude that the first sample has a larger variance than the second sample?


Definitions:

Excess Fat

Body fat that exceeds the normal, healthy range and can increase the risk of health problems like heart disease, diabetes, and certain cancers.

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, such as coronary artery disease, heart attacks, and stroke.

Essential Fat

The minimum amount of body fat necessary for the proper functioning of hormonal, reproductive, and immune systems.

Central Nervous System

The complex of nerve tissues that controls the activities of the body and comprises the brain and the spinal cord.

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