Exhibit 8-5 A Random Sample of 64 SAT Scores of Students Applying

question 12

Multiple Choice

Exhibit 8-5
A random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240.
-Refer to Exhibit 8-5. The "t" value for this interval estimation is

• A)1.96
• B)1.998
• C)1.64
• D)1.28

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Definitions:

Organic Compounds

Chemical compounds containing carbon atoms bonded to hydrogen atoms, often forming the basis of living organisms and many synthetic materials.

Hazardous Wastes

Dangerous or potentially harmful substances that require special handling, treatment, and disposal to minimize environmental and health impacts.

Sewage Treatment Plants

Facilities designed to filter and clean wastewater before it is released back into the environment.

Water Pollution

The contamination of water bodies, such as lakes, rivers, oceans, and groundwater, caused by harmful substances introduced by human activities.