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Suppose we are making a95%confidence interval for the population mean from a sample of size 15. What number of degrees of freedom should weuse? Select

Suppose we are making a95%confidence interval for the population mean from a sample of size 15. What number of degrees of freedom should weuse?

Select one:

a.df = 15

b.There is not enough information given to find out

c.df = 16

d.df = 14

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