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What is meant by the phrase degrees of freedom as it pertains to the computation...

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What is meant by the phrase degrees of freedom as it pertains to the computation of the sample standard deviation Choose the correct answer below C A There are n 1 degrees of freedom in the computation of s because an unknown parameter is estimated by x For each parameter estimated 1 degree of freedom is lost OB The degrees of freedom refers to the number of observations that must be taken into account when computing the sample standard deviation s in order to ensure that the sum of the deviations about the mean is equal to zero OC There are n 1 degrees of freedom in the computation of the sample standard deviation s because it is obtained by dividing by n 1 OD There are n 1 degrees of freedom because the first n 1 observations have to be certain values in order for the nth value to have the freedom to be any value such that the sum of the deviations about the mean is equal to zero

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