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

question 3

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. If we want to provide a 95% confidence interval for the SAT scores, the degrees of freedom for reading the critical values of "t" statistic is

• A)60
• B)61
• C)62
• D)63

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