The sample standard deviation of differences $s _ { d }$ is equal to the difference of the sample standard deviations $s _ { 1 } - s _ { 2 }$.

Name: The sample standard deviation of differences $s _ { d }$ is equal to the difference of the sample standard deviations $s _ { 1 } - s _ { 2 }$.
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Question

Quizplus · Accepted Answer

The sample standard deviation of differences $s _ { d }$ measures the variability of the differences between paired samples, not the difference between two sample standard deviations $s _ { 1 } - s _ { 2 }$.

The Sample Standard Deviation of Differences sds _ { d }sd​

The Sample Standard Deviation of Differences $s _ { d }$