A random sample of 69 SAT scores of students applying for merit scholarships showed an average of 1500 with a standard deviation
of 240. If we want to provide a 95% confidence interval for the population mean SAT score, what are the degrees of freedom for reading the t value
1 answer:
Answer:
68
Step-by-step explanation:
The formula required to calculate degrees of freedom is given as:
Number of samples - 1
From the above question:
The number of samples = 69
The degrees of freedom is calculated as:
69 - 1
= 68
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