The Table Below Shows Two Samples Taken to Compare the Mean

question 21

Multiple Choice

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.

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Definitions:

Qualitative Research

A research strategy focusing on understanding the nature of human behavior and the reasons that govern such behavior, utilizing methods like interviews and observations that provide depth and context.

Experimental Research

A systematic and scientific approach to research in which the researcher manipulates one or more variables, and controls and measures any change in other variables.

Difficulties

Challenges or obstacles that make it hard to achieve a goal or complete a task.

Correlated Variables

Two or more variables that are related in some way, where a change in one is often associated with a change in the other(s).