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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

Respuesta :

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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