A researcher is conducting a matched-pairs study.She gathers data on each pair in the study resulting in: $$\begin{array} { | c | c | c | } \hline \text { Pair } & \text { Group 1 } & \text { Group } 2 \ \hline 1 & 10 & 12 \ \hline 2 & 8 & 9 \ \hline 3 & 11 & 11 \ \hline 4 & 8 & 10 \ \hline 5 & 9 & 12 \ \hline \end{array}$$ Assume that the data are normally distributed in the population.The sample standard deviation (s_d)of the differences is _______. A)1.30 B)1.14 C)1.04 D)1.02 E)1.47

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The Answer of A researcher is conducting a matched-pairs study.She gathers data on each pair in the study resulting in: $$\begin{array} { | c | c | c | } \hline \text { Pair } & \text { Group 1 } & \text { Group } 2 \ \hline 1 & 10 & 12 \ \hline 2 & 8 & 9 \ \hline 3 & 11 & 11 \ \hline 4 & 8 & 10 \ \hline 5 & 9 & 12 \ \hline \end{array}$$ Assume that the data are normally distributed in the population.The sample standard deviation (s_d)of the differences is _______. A)1.30 B)1.14 C)1.04 D)1.02 E)1.47

A Researcher Is Conducting a Matched-Pairs Study Assume That the Data Are Normally Distributed in the Population