Because Statistical Software Plays Such an Important Role in Modern

question 58

Multiple Choice

Because statistical software plays such an important role in modern statistical applications,many studies have encouraged the use of technology in statistics courses.The Guidelines for the Assessment and Instruction in Statistics Education (GAISE) (Aliaga et al. ,2005) project was funded by the American Statistical Association to examine needs for college level statistics courses.One of the six recommendations from GAISE is the use of technology for developing conceptual understanding and analyzing data.A survey was sent to students at 100 different universities across the United States to access the relationship between ease of learning the statistical software program SAS and a student's currently level of SAS proficiency.The results of the survey are published in Jackson et al. ,2011,in the International Mathematical Forum journal and are shown below. Table 1.Two-way table for ease of learning SAS and SAS proficiency level. What are the degrees of freedom for the test statistic used to test for a relationship between ease of learning SAS and SAS proficiency?

• A)4
• B)6
• C)9
• D)None of the above

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Definitions:

Arterial Blood Pressure

The pressure exerted by circulating blood upon the walls of blood vessels, specifically within arteries, crucial for maintaining blood flow through the body.

Smooth Muscle

Type of muscle found in the walls of internal organs such as the stomach, intestines, and blood vessels, functioning involuntarily.

Arteries

Blood vessels that carry oxygen-rich blood away from the heart to various parts of the body.

Superior Mesenteric Vein

A large vein that drains blood from the small intestine, cecum, and part of the colon and pancreas into the hepatic portal vein.