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Mathematics 10 Online
OpenStudy (anonymous):

What is the Z Value for 95% 48 degrees of freedom? For average of 285 sample size of 49, the standard deviation of the sample is 60.

OpenStudy (anonymous):

Interpolating from a Z value for 30 degrees of freedom of 1.697 and a Z value for 40 degress of freedom of 1.684 and a Z value for 60 degrees of freedom of 1.296, I surmize the Z value for 48 is 1.5288.

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