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:

Processing Time

The amount of time required to complete a particular process, often used in manufacturing and computer operations.

Failing to Control Quality

A detrimental situation where an organization does not manage or uphold the standard of its products or services.

Prevention Costs

Costs incurred to prevent faults or errors in products or services, typically including quality control and training expenses.

External Failure Costs

The costs incurred after defective units or services have been delivered to consumers.