For the Following Data from a Repeated-Measures Study,the Sample Mean

question 38

True/False

For the following data from a repeated-measures study,the sample mean difference is MD = 1.
$$\begin{array} { c r r } \text { Participant } & X _ { 1 } & X _ { 2 } \\\hline \mathrm { A } & 1 & 5 \\\mathrm {~B} & 4 & 6 \\\mathrm { C } & 5 & 2\end{array}$$

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