It Is Believed That the SAT Scores for Students Entering

question 71

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 critical value that will be used to test the hypothesis?

• A)= 3.55
• B)= 2.832
• C)z = 1.645
• D)= 3.237

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Definitions:

Cervix

The lower part of the uterus in the female reproductive system, connecting the uterine cavity with the vagina.

Lanugo

Soft, fine hair that covers the fetus during early development, which is usually shed before birth.

Vernix Caseosa

A white creamy substance that covers the skin of the fetus during pregnancy, providing protection.

Fetoscopy

A medical procedure involving the insertion of a fetoscope to visually examine a fetus inside the uterus.