It Is Believed That the SAT Scores for Students Entering

question 43

Multiple Choice

It is believed that the SAT scores for students entering two state universities may have different standard deviations.Specifically,it is believed that the standard deviation at University A is greater than the standard deviation at University B.To test this using an alpha = 0.05 level,a sample of 14 student SAT scores from University A was selected and a sample of 8 SAT scores from University B was selected.The following sample results were observed: Based on this information,what is the value of the test statistic?

• A)1.2407
• B)0.6496
• C)1.5394
• D)None of the above.

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Definitions:

Excavates

A group of unicellular organisms, often flagellates, characterized by a distinct cellular structure, including a feeding groove.

Symbiotic Relationships

Interactions between two different organisms living in close physical association, typically to the advantage of both.

Larger Cells

Cells that are significantly above the average size, which can occur in various organisms and may have specific functional adaptations.

Bacteria

Single-celled microorganisms that can be found in a wide range of environments; some cause disease while others are beneficial.