Because Statistical Software Plays Such an Important Role in Modern

question 21

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 is the column proportion,D,for students who find SAS difficult to learn and who are somewhat proficient in SAS?

• A)15/65
• B)15/28
• C)15/112
• D)None of the above

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Definitions:

Collagen

A major structural protein found in skin, bone, tendons, and other connective tissues, providing strength and elasticity.

Capillaries

The smallest blood vessels in the body, where the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste substances occurs between blood and surrounding tissues.

Simple Squamous Epithelium

A type of epithelial tissue consisting of a single layer of flat cells that facilitates diffusion and filtration in sites such as the alveoli of the lungs and the glomeruli of the kidneys.

Mucous Glands

Exocrine glands found in various locations of the body that secrete mucus, aiding in lubrication and protection of tissues.