Mathematics, 14.03.2020 04:00 love0000

A random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240.

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

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A random sample of 64 SAT scores of students applying for merit scholarships showed an average of 14...