Compute the wilcoxon signed-rank test statistic

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Imagine that a researcher measured a group of participants at two time points. Fictional scores for these two time points appear below. Are the scores different at time 1 and time 2?

1117_group of participants at two time points.png

a. Compute the Wilcoxon signed-rank test statistic.

b. Make a decision regarding the null hypothesis.

Reference no: EM131747654

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