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

question 9

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 margin of error at 95% confidence is

• A)1.998
• B)1400
• C)240
• D)59.95

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Definitions:

Reliability

The degree to which an assessment tool produces stable and consistent results over time.

Validity

The degree to which a tool, test, or study accurately measures what it intends to measure or reflects the true reality.

Marketing Researchers

Professionals who study market conditions, consumer behaviors, and competitive dynamics to provide insights and guidance for marketing strategies and decisions.

Scanner Data

Data obtained from scanner readings of UPC codes at checkout counters.